List of unnumbered trans-Neptunian objects: 2020
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The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2020. As of May 2026[update], it contains a total of 174 bodies.[1][2][3][4][5] For more information see the description on the main page. Also see list for the previous and next year.
2020
| Designation | First Observed (discovered) | D (km) | Orbital description | Remarks | Refs | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | Observer (Site) |
Class | a (AU) |
e | i (°) |
q (AU) |
Q (AU) | ||||
| 2020 AO32 | 3 January 2020 | Mauna Kea-Subaru (T09) | 99 | centaur | 30.2 | 0.10 | 2 | 27.3 | 33.1 | albedo: 0.058 | MPC · JPL |
| 2020 AV30 | 3 January 2020 | D. J. Tholen (T09) | 199 | cubewano (hot)? | 48.3 | 0.10 | 14 | 43.5 | 53.2 | albedo: 0.079 | MPC · JPL |
| 2020 BA95 | 25 January 2020 | Maunakea (568) | 265 | SDO | 56.6 | 0.35 | 18 | 36.7 | 76.4 | albedo: 0.124 | MPC · JPL |
| 2020 BB95 | 24 January 2020 | Maunakea (568) | 152 | SDO | 118.9 | 0.68 | 18 | 38.6 | 199.2 | albedo: 0.124 | MPC · JPL |
| 2020 BC95 | 23 January 2020 | Maunakea (568) | 161 | SDO | 89.8 | 0.55 | 26 | 40.3 | 139.3 | albedo: 0.124 | MPC · JPL |
| 2020 BD155 | 22 January 2020 | D. J. Tholen (T09) | 77 | cubewano (hot)? | 42.4 | 0.03 | 19 | 41.1 | 43.6 | albedo: 0.079 | MPC · JPL |
| 2020 BE102 | 24 January 2020 | Maunakea (568) | 351 | SDO | 75.3 | 0.55 | 5 | 33.9 | 116.8 | albedo: 0.124 | MPC · JPL |
| 2020 BF102 | 23 January 2020 | Maunakea (568) | 131 | SDO | 56.8 | 0.31 | 22 | 39.1 | 74.6 | albedo: 0.124 | MPC · JPL |
| 2020 BF157 | 24 January 2020 | D. J. Tholen (T09) | 17 | centaur | 97.7 | 0.87 | 34 | 13.0 | 182.4 | albedo: 0.058 | MPC · JPL |
| 2020 BH157 | 23 January 2020 | D. J. Tholen (T09) | 180 | SDO | 54.9 | 0.31 | 18 | 37.6 | 72.1 | albedo: 0.124 | MPC · JPL |
| 2020 BQ63 | 30 January 2020 | Korea Microlensing Telescope Network-CTIO (W93) | 102 | cubewano (cold) | 42.7 | 0.03 | 3 | 41.4 | 44.0 | albedo: 0.152 | MPC · JPL |
| 2020 BR60 | 26 January 2020 | Cerro Tololo Observatory, La Serena (807) | 150 | SDO | 50.9 | 0.26 | 7 | 37.5 | 64.3 | albedo: 0.124 | MPC · JPL |
| 2020 BS168 | 30 January 2020 | Subaru Telescope, Maunakea (T09) | 47 | other TNO | 40.8 | 0.11 | 12 | 36.3 | 45.3 | albedo: 0.13 | MPC · JPL |
| 2020 BS60 | 26 January 2020 | Cerro Tololo Observatory, La Serena (807) | 191 | SDO | 68.3 | 0.54 | 21 | 31.6 | 104.9 | albedo: 0.124 | MPC · JPL |
| 2020 BT175 | 25 January 2020 | D. J. Tholen (T09) | 108 | SDO | 75.1 | 0.51 | 9 | 36.7 | 113.5 | albedo: 0.124 | MPC · JPL |
| 2020 BU175 | 24 January 2020 | D. J. Tholen (T09) | 112 | SDO | 135.5 | 0.73 | 20 | 36.7 | 234.3 | albedo: 0.124 | MPC · JPL |
| 2020 BY101 | 24 January 2020 | Maunakea (568) | 123 | SDO | 52.8 | 0.29 | 11 | 37.5 | 68.0 | albedo: 0.124 | MPC · JPL |
| 2020 BZ94 | 23 January 2020 | Maunakea (568) | 119 | SDO | 58.4 | 0.34 | 4 | 38.6 | 78.2 | albedo: 0.124 | MPC · JPL |
| 2020 DD5 | 29 February 2020 | Kitt Peak-Bok (V00) | 53 | centaur | 34.9 | 0.49 | 4 | 17.9 | 51.9 | albedo: 0.058 | MPC · JPL |
| 2020 DH6 | 28 February 2020 | Korea Microlensing Telescope Network-CTIO (W93) | 96 | res · 5:9? | 44.4 | 0.09 | 1 | 40.4 | 48.4 | albedo: 0.126 | MPC · JPL |
| 2020 DJ6 | 28 February 2020 | Korea Microlensing Telescope Network-CTIO (W93) | 131 | cubewano (cold) | 43.5 | 0.08 | 1 | 40.1 | 46.9 | albedo: 0.152 | MPC · JPL |
| 2020 FA31 | 24 March 2020 | Maunakea (568) | 314 | SDO | 72.3 | 0.46 | 20 | 38.9 | 105.6 | albedo: 0.124 | MPC · JPL |
| 2020 FB31 | 24 March 2020 | Maunakea (568) | 289 | res · 3:8 | 57.8 | 0.39 | 16 | 35.5 | 80.1 | albedo: 0.126 | MPC · JPL |
| 2020 FP40 | 24 March 2020 | Maunakea (568) | 121 | SDO | 58.5 | 0.34 | 25 | 38.5 | 78.5 | albedo: 0.124 | MPC · JPL |
| 2020 FP7 | 21 March 2020 | Pan-STARRS 1 (F51) | 37 | centaur | 50.5 | 0.86 | 50 | 7.0 | 94.1 | albedo: 0.058 | MPC · JPL |
| 2020 FQ38 | 24 March 2020 | Maunakea (568) | 127 | other TNO | 48.8 | 0.26 | 9 | 36.0 | 61.7 | albedo: 0.13 | MPC · JPL |
| 2020 FQ40 | 24 March 2020 | Maunakea (568) | 225 | SDO | 65.8 | 0.41 | 43 | 38.7 | 93.0 | albedo: 0.124 | MPC · JPL |
| 2020 FR40 | 24 March 2020 | Maunakea (568) | 103 | SDO | 80.8 | 0.56 | 16 | 35.3 | 126.4 | albedo: 0.124 | MPC · JPL |
| 2020 FY30 | 24 March 2020 | Maunakea (568) | 428 | res · 2:7 | 69.5 | 0.49 | 14 | 35.7 | 103.4 | albedo: 0.126 | MPC · JPL |
| 2020 KA54 | 30 May 2020 | New Horizons KBO Search (266) | 31 | twotino? | 47.0 | 0.14 | 11 | 40.4 | 53.5 | albedo: 0.126 | MPC · JPL |
| 2020 KA55 | 29 May 2020 | New Horizons KBO Search (266) | 19 | other TNO | 36.6 | 0.08 | 3 | 33.8 | 39.5 | albedo: 0.13 | MPC · JPL |
| 2020 KA56 | 28 May 2020 | New Horizons KBO Search (266) | 68 | plutino | 39.4 | 0.19 | 5 | 31.9 | 47.0 | albedo: 0.074 | MPC · JPL |
| 2020 KB54 | 30 May 2020 | New Horizons KBO Search (266) | 46 | cubewano (cold)? | 43.7 | 0.05 | 3 | 41.5 | 46.0 | albedo: 0.152 | MPC · JPL |
| 2020 KB55 | 29 May 2020 | New Horizons KBO Search (266) | 52 | cubewano (hot)? | 47.4 | 0.05 | 19 | 45.2 | 49.6 | albedo: 0.079 | MPC · JPL |
| 2020 KB56 | 28 May 2020 | New Horizons KBO Search (266) | 46 | SDO | 138.3 | 0.69 | 8 | 42.9 | 233.7 | albedo: 0.124 | MPC · JPL |
| 2020 KC53 | 29 May 2020 | New Horizons KBO Search (266) | 41 | cubewano (cold)? | 43.9 | 0.01 | 2 | 43.3 | 44.5 | albedo: 0.152 | MPC · JPL |
| 2020 KC54 | 28 May 2020 | New Horizons KBO Search (266) | 63 | cubewano (cold)? | 42.2 | 0.05 | 3 | 40.1 | 44.2 | albedo: 0.152 | MPC · JPL |
| 2020 KC55 | 29 May 2020 | New Horizons KBO Search (266) | 35 | cubewano (cold)? | 43.6 | 0.12 | 3 | 38.2 | 48.9 | albedo: 0.152 | MPC · JPL |
| 2020 KC56 | 28 May 2020 | New Horizons KBO Search (266) | 58 | cubewano (hot)? | 46.9 | 0.20 | 10 | 37.4 | 56.5 | albedo: 0.079 | MPC · JPL |
| 2020 KD53 | 29 May 2020 | New Horizons KBO Search (266) | 37 | SDO | 95.5 | 0.64 | 15 | 34.9 | 156.1 | albedo: 0.124 | MPC · JPL |
| 2020 KD54 | 30 May 2020 | New Horizons KBO Search (266) | 36 | SDO | 69.3 | 0.47 | 18 | 36.7 | 101.9 | albedo: 0.124 | MPC · JPL |
| 2020 KD55 | 30 May 2020 | New Horizons KBO Search (266) | 22 | res · 3:4? | 36.1 | 0.12 | 15 | 31.9 | 40.3 | albedo: 0.126 | MPC · JPL |
| 2020 KD56 | 30 May 2020 | New Horizons KBO Search (266) | 35 | SDO | 132.9 | 0.77 | 17 | 31.3 | 234.5 | albedo: 0.124 | MPC · JPL |
| 2020 KE53 | 26 May 2020 | New Horizons KBO Search (266) | 35 | plutino | 39.1 | 0.12 | 5 | 34.3 | 43.9 | albedo: 0.074 | MPC · JPL |
| 2020 KE54 | 26 May 2020 | New Horizons KBO Search (266) | 120 | plutino | 39.3 | 0.21 | 22 | 31.1 | 47.6 | albedo: 0.074 | MPC · JPL |
| 2020 KE55 | 29 May 2020 | New Horizons KBO Search (266) | 28 | cubewano (cold)? | 46.5 | 0.09 | 3 | 42.5 | 50.4 | albedo: 0.152 | MPC · JPL |
| 2020 KE56 | 30 May 2020 | New Horizons KBO Search (266) | 51 | other TNO | 38.8 | 0.15 | 7 | 32.9 | 44.6 | albedo: 0.13 | MPC · JPL |
| 2020 KF53 | 28 May 2020 | New Horizons KBO Search (266) | 40 | cubewano (cold)? | 44.4 | 0.11 | 1 | 39.6 | 49.2 | albedo: 0.152 | MPC · JPL |
| 2020 KF54 | 26 May 2020 | New Horizons KBO Search (266) | 49 | cubewano (cold)? | 43.5 | 0.12 | 3 | 38.4 | 48.7 | albedo: 0.152 | MPC · JPL |
| 2020 KF55 | 30 May 2020 | New Horizons KBO Search (266) | 45 | cubewano (hot)? | 45.6 | 0.21 | 13 | 36.3 | 54.9 | albedo: 0.079 | MPC · JPL |
| 2020 KF56 | 28 May 2020 | New Horizons KBO Search (266) | 46 | cubewano (hot)? | 42.6 | 0.04 | 10 | 41.1 | 44.1 | albedo: 0.079 | MPC · JPL |
| 2020 KG53 | 28 May 2020 | New Horizons KBO Search (266) | 69 | cubewano (cold)? | 44.4 | 0.11 | 2 | 39.6 | 49.2 | albedo: 0.152 | MPC · JPL |
| 2020 KG54 | 31 May 2020 | New Horizons KBO Search (266) | 26 | SDO | 77.2 | 0.58 | 23 | 32.2 | 122.3 | albedo: 0.124 | MPC · JPL |
| 2020 KG55 | 30 May 2020 | New Horizons KBO Search (266) | 29 | other TNO | 36.2 | 0.11 | 18 | 32.2 | 40.1 | albedo: 0.13 | MPC · JPL |
| 2020 KG56 | 30 May 2020 | New Horizons KBO Search (266) | 24 | twotino | 47.4 | 0.33 | 2 | 31.7 | 63.1 | albedo: 0.126 | MPC · JPL |
| 2020 KH42 | 31 May 2020 | New Horizons KBO Search (266) | 111 | SDO | 76.9 | 0.52 | 26 | 37.2 | 116.7 | albedo: 0.124 | MPC · JPL |
| 2020 KH54 | 29 May 2020 | New Horizons KBO Search (266) | 55 | cubewano (cold)? | 44.1 | 0.14 | 3 | 37.9 | 50.4 | albedo: 0.152 | MPC · JPL |
| 2020 KH55 | 29 May 2020 | New Horizons KBO Search (266) | 48 | cubewano (cold)? | 40.7 | 0.11 | 4 | 36.2 | 45.1 | albedo: 0.152 | MPC · JPL |
| 2020 KH56 | 28 May 2020 | New Horizons KBO Search (266) | 36 | SDO | 55.6 | 0.42 | 3 | 32.5 | 78.6 | albedo: 0.124 | MPC · JPL |
| 2020 KJ54 | 29 May 2020 | New Horizons KBO Search (266) | 46 | cubewano (cold)? | 42.6 | 0.04 | 2 | 41.0 | 44.2 | albedo: 0.152 | MPC · JPL |
| 2020 KJ55 | 29 May 2020 | New Horizons KBO Search (266) | 42 | SDO | 57.0 | 0.45 | 2 | 31.3 | 82.6 | albedo: 0.124 | MPC · JPL |
| 2020 KJ56 | 28 May 2020 | New Horizons KBO Search (266) | 168 | cubewano (cold) | 43.8 | 0.02 | 3 | 42.8 | 44.9 | albedo: 0.152 | MPC · JPL |
| 2020 KJ60 | 28 May 2020 | New Horizons KBO Search (266) | 61 | cubewano (cold)? | 44.8 | 0.12 | 3 | 39.7 | 50.0 | albedo: 0.152 | MPC · JPL |
| 2020 KK54 | 29 May 2020 | New Horizons KBO Search (266) | 67 | cubewano (hot)? | 43.7 | 0.15 | 6 | 37.0 | 50.3 | albedo: 0.079 | MPC · JPL |
| 2020 KK55 | 29 May 2020 | New Horizons KBO Search (266) | 20 | SDO | 76.0 | 0.56 | 4 | 33.8 | 118.3 | albedo: 0.124 | MPC · JPL |
| 2020 KK60 | 29 May 2020 | New Horizons KBO Search (266) | 97 | SDO | 64.8 | 0.48 | 4 | 33.7 | 95.9 | albedo: 0.124 | MPC · JPL |
| 2020 KL53 | 26 May 2020 | New Horizons KBO Search (266) | 91 | cubewano (cold) | 43.3 | 0.04 | 2 | 41.8 | 44.9 | albedo: 0.152 | MPC · JPL |
| 2020 KL54 | 28 May 2020 | New Horizons KBO Search (266) | 52 | cubewano (hot)? | 43.5 | 0.12 | 7 | 38.1 | 48.8 | albedo: 0.079 | MPC · JPL |
| 2020 KL55 | 29 May 2020 | New Horizons KBO Search (266) | 64 | centaur | 164.7 | 0.86 | 3 | 23.3 | 306.0 | albedo: 0.058 | MPC · JPL |
| 2020 KM53 | 29 May 2020 | New Horizons KBO Search (266) | 53 | cubewano (cold) | 44.3 | 0.06 | 2 | 41.8 | 46.8 | albedo: 0.152 | MPC · JPL |
| 2020 KM54 | 30 May 2020 | New Horizons KBO Search (266) | 43 | cubewano (hot)? | 45.6 | 0.14 | 6 | 39.4 | 51.8 | albedo: 0.079 | MPC · JPL |
| 2020 KM55 | 29 May 2020 | New Horizons KBO Search (266) | 43 | cubewano (cold)? | 45.6 | 0.10 | 3 | 40.9 | 50.3 | albedo: 0.152 | MPC · JPL |
| 2020 KN53 | 28 May 2020 | New Horizons KBO Search (266) | 71 | cubewano (hot)? | 42.7 | 0.10 | 9 | 38.6 | 46.7 | albedo: 0.079 | MPC · JPL |
| 2020 KN55 | 29 May 2020 | New Horizons KBO Search (266) | 97 | cubewano (hot)? | 40.9 | 0.10 | 27 | 36.9 | 45.0 | albedo: 0.079 | MPC · JPL |
| 2020 KO11 | 29 May 2020 | New Horizons KBO Search (266) | 93 | cubewano (hot)? | 44.6 | 0.15 | 7 | 38.0 | 51.1 | albedo: 0.079 | MPC · JPL |
| 2020 KO53 | 29 May 2020 | New Horizons KBO Search (266) | 75 | cubewano (hot)? | 47.9 | 0.11 | 12 | 42.6 | 53.1 | albedo: 0.079 | MPC · JPL |
| 2020 KO54 | 28 May 2020 | New Horizons KBO Search (266) | 26 | centaur | 38.5 | 0.29 | 7 | 27.3 | 49.6 | albedo: 0.058 | MPC · JPL |
| 2020 KO55 | 29 May 2020 | New Horizons KBO Search (266) | 44 | twotino | 47.4 | 0.21 | 6 | 37.3 | 57.5 | albedo: 0.126 | MPC · JPL |
| 2020 KP11 | 26 May 2020 | New Horizons KBO Search (266) | 117 | cubewano (hot)? | 45.3 | 0.17 | 22 | 37.7 | 52.8 | albedo: 0.079 | MPC · JPL |
| 2020 KP53 | 29 May 2020 | New Horizons KBO Search (266) | 38 | cubewano (cold)? | 45.8 | 0.16 | 4 | 38.3 | 53.3 | albedo: 0.152 | MPC · JPL |
| 2020 KP54 | 28 May 2020 | New Horizons KBO Search (266) | 29 | cubewano (cold)? | 43.0 | 0.11 | 3 | 38.2 | 47.7 | albedo: 0.152 | MPC · JPL |
| 2020 KP55 | 29 May 2020 | New Horizons KBO Search (266) | 35 | twotino | 47.6 | 0.37 | 4 | 30.1 | 65.0 | albedo: 0.126 | MPC · JPL |
| 2020 KQ11 | 29 May 2020 | New Horizons KBO Search (266) | 182 | res · 5:9 | 44.3 | 0.11 | 3 | 39.3 | 49.4 | albedo: 0.126 | MPC · JPL |
| 2020 KQ54 | 30 May 2020 | New Horizons KBO Search (266) | 30 | cubewano (cold)? | 44.1 | 0.04 | 3 | 42.3 | 45.9 | albedo: 0.152 | MPC · JPL |
| 2020 KQ55 | 29 May 2020 | New Horizons KBO Search (266) | 48 | cubewano (hot)? | 45.2 | 0.07 | 9 | 42.2 | 48.2 | albedo: 0.079 | MPC · JPL |
| 2020 KR11 | 30 May 2020 | New Horizons KBO Search (266) | 151 | cubewano (hot)? | 46.2 | 0.09 | 6 | 42.2 | 50.1 | albedo: 0.079 | MPC · JPL |
| 2020 KR54 | 28 May 2020 | New Horizons KBO Search (266) | 34 | cubewano (cold)? | 43.7 | 0.06 | 2 | 41.1 | 46.4 | albedo: 0.152 | MPC · JPL |
| 2020 KR55 | 26 May 2020 | New Horizons KBO Search (266) | 41 | cubewano (hot)? | 42.3 | 0.08 | 18 | 38.9 | 45.7 | albedo: 0.079 | MPC · JPL |
| 2020 KS11 | 29 May 2020 | New Horizons KBO Search (266) | 56 | res · 1:6 | 99.0 | 0.65 | 3 | 34.7 | 163.2 | albedo: 0.126 | MPC · JPL |
| 2020 KS53 | 30 May 2020 | New Horizons KBO Search (266) | 99 | cubewano (hot)? | 44.3 | 0.03 | 6 | 42.8 | 45.8 | albedo: 0.079 | MPC · JPL |
| 2020 KS54 | 28 May 2020 | New Horizons KBO Search (266) | 46 | cubewano (hot)? | 41.5 | 0.10 | 19 | 37.5 | 45.6 | albedo: 0.079 | MPC · JPL |
| 2020 KS55 | 26 May 2020 | New Horizons KBO Search (266) | 42 | SDO | 59.7 | 0.38 | 25 | 36.9 | 82.5 | albedo: 0.124 | MPC · JPL |
| 2020 KT11 | 26 May 2020 | New Horizons KBO Search (266) | 67 | cubewano (hot)? | 42.8 | 0.22 | 28 | 33.4 | 52.2 | albedo: 0.079 | MPC · JPL |
| 2020 KT53 | 31 May 2020 | New Horizons KBO Search (266) | 56 | cubewano (cold)? | 43.6 | 0.08 | 5 | 40.0 | 47.2 | albedo: 0.152 | MPC · JPL |
| 2020 KT54 | 28 May 2020 | New Horizons KBO Search (266) | 26 | other TNO | 40.2 | 0.09 | 18 | 36.5 | 43.9 | albedo: 0.13 | MPC · JPL |
| 2020 KT55 | 28 May 2020 | New Horizons KBO Search (266) | 61 | SDO | 52.8 | 0.38 | 5 | 32.9 | 72.6 | albedo: 0.124 | MPC · JPL |
| 2020 KU11 | 26 May 2020 | New Horizons KBO Search (266) | 49 | cubewano (hot)? | 43.9 | 0.17 | 16 | 36.4 | 51.4 | albedo: 0.079 | MPC · JPL |
| 2020 KU53 | 29 May 2020 | New Horizons KBO Search (266) | 61 | cubewano (cold)? | 44.0 | 0.09 | 3 | 40.1 | 48.0 | albedo: 0.152 | MPC · JPL |
| 2020 KU54 | 30 May 2020 | New Horizons KBO Search (266) | 33 | cubewano (hot)? | 44.6 | 0.14 | 7 | 38.4 | 50.9 | albedo: 0.079 | MPC · JPL |
| 2020 KU55 | 30 May 2020 | New Horizons KBO Search (266) | 56 | cubewano (hot)? | 44.3 | 0.00 | 6 | 44.2 | 44.5 | albedo: 0.079 | MPC · JPL |
| 2020 KU7 | 25 May 2020 | Pan-STARRS 1 (F51) | 6 | damocloid | 34.0 | 0.88 | 104 | 4.2 | 63.7 | albedo: 0.048 | MPC · JPL |
| 2020 KV11 | 29 May 2020 | New Horizons KBO Search (266) | 132 | SDO | 94.7 | 0.62 | 5 | 35.7 | 153.7 | albedo: 0.124 | MPC · JPL |
| 2020 KV53 | 26 May 2020 | New Horizons KBO Search (266) | 46 | cubewano (cold)? | 44.8 | 0.10 | 4 | 40.4 | 49.2 | albedo: 0.152 | MPC · JPL |
| 2020 KV54 | 28 May 2020 | New Horizons KBO Search (266) | 54 | centaur | 53.1 | 0.45 | 5 | 29.5 | 76.8 | albedo: 0.058 | MPC · JPL |
| 2020 KV55 | 28 May 2020 | New Horizons KBO Search (266) | 82 | cubewano (hot)? | 41.2 | 0.07 | 18 | 38.3 | 44.0 | albedo: 0.079 | MPC · JPL |
| 2020 KW11 | 29 May 2020 | New Horizons KBO Search-Subaru (266) | 53 | cubewano (cold)? | 45.0 | 0.12 | 5 | 39.6 | 50.4 | albedo: 0.152 | MPC · JPL |
| 2020 KW53 | 28 May 2020 | New Horizons KBO Search (266) | 58 | cubewano (hot)? | 43.9 | 0.06 | 5 | 41.2 | 46.5 | albedo: 0.079 | MPC · JPL |
| 2020 KW54 | 30 May 2020 | New Horizons KBO Search (266) | 33 | SDO | 170.2 | 0.75 | 6 | 43.0 | 297.4 | albedo: 0.124 | MPC · JPL |
| 2020 KW55 | 30 May 2020 | New Horizons KBO Search (266) | 73 | centaur | 90.5 | 0.71 | 2 | 26.0 | 155.0 | albedo: 0.058 | MPC · JPL |
| 2020 KX11 | 29 May 2020 | New Horizons KBO Search-Subaru (266) | 169 | damocloid | 661.7 | 0.99 | 48 | 4.8 | 1318.6 | albedo: 0.048 | MPC · JPL |
| 2020 KX53 | 29 May 2020 | New Horizons KBO Search (266) | 38 | cubewano (cold)? | 57.3 | 0.47 | 4 | 30.7 | 83.9 | albedo: 0.152 | MPC · JPL |
| 2020 KX54 | 30 May 2020 | New Horizons KBO Search (266) | 30 | cubewano (cold)? | 43.8 | 0.04 | 3 | 41.9 | 45.8 | albedo: 0.152 | MPC · JPL |
| 2020 KX55 | 28 May 2020 | New Horizons KBO Search (266) | 61 | SDO | 66.3 | 0.47 | 3 | 35.5 | 97.2 | albedo: 0.124 | MPC · JPL |
| 2020 KY11 | 30 May 2020 | New Horizons KBO Search-Subaru (266) | 93 | cubewano (hot)? | 45.9 | 0.11 | 9 | 40.8 | 51.1 | albedo: 0.079 | MPC · JPL |
| 2020 KY53 | 30 May 2020 | New Horizons KBO Search (266) | 44 | centaur | 48.5 | 0.52 | 5 | 23.2 | 73.8 | albedo: 0.058 | MPC · JPL |
| 2020 KY54 | 29 May 2020 | New Horizons KBO Search (266) | 45 | centaur | 125.9 | 0.82 | 4 | 23.1 | 228.8 | albedo: 0.058 | MPC · JPL |
| 2020 KY55 | 28 May 2020 | New Horizons KBO Search (266) | 33 | cubewano (cold)? | 46.3 | 0.17 | 4 | 38.5 | 54.2 | albedo: 0.152 | MPC · JPL |
| 2020 KZ53 | 30 May 2020 | New Horizons KBO Search (266) | 32 | SDO | 60.7 | 0.42 | 4 | 35.4 | 86.0 | albedo: 0.124 | MPC · JPL |
| 2020 KZ54 | 29 May 2020 | New Horizons KBO Search (266) | 65 | cubewano (hot)? | 45.6 | 0.11 | 10 | 40.7 | 50.5 | albedo: 0.079 | MPC · JPL |
| 2020 KZ55 | 30 May 2020 | New Horizons KBO Search (266) | 81 | cubewano (hot)? | 40.8 | 0.10 | 17 | 36.7 | 45.0 | albedo: 0.079 | MPC · JPL |
| 2020 LA21 | 1 June 2020 | New Horizons KBO Search (266) | 54 | centaur | 93.7 | 0.71 | 4 | 27.3 | 160.2 | albedo: 0.058 | MPC · JPL |
| 2020 LB21 | 1 June 2020 | New Horizons KBO Search (266) | 59 | centaur | 46.0 | 0.65 | 7 | 16.3 | 75.7 | albedo: 0.058 | MPC · JPL |
| 2020 MA53 | 20 June 2020 | New Horizons KBO Search (266) | 42 | other TNO | 40.0 | 0.29 | 2 | 28.6 | 51.5 | albedo: 0.13 | MPC · JPL |
| 2020 MB53 | 20 June 2020 | New Horizons KBO Search (266) | 36 | other TNO | 48.8 | 0.25 | 16 | 36.4 | 61.2 | albedo: 0.13 | MPC · JPL |
| 2020 MC53 | 20 June 2020 | New Horizons KBO Search (266) | 111 | cubewano (hot)? | 42.7 | 0.11 | 6 | 37.9 | 47.5 | albedo: 0.079 | MPC · JPL |
| 2020 MD53 | 20 June 2020 | New Horizons KBO Search (266) | 33 | cubewano (cold)? | 44.4 | 0.13 | 5 | 38.8 | 50.0 | albedo: 0.152 | MPC · JPL |
| 2020 ME53 | 20 June 2020 | New Horizons KBO Search (266) | 38 | cubewano (cold)? | 41.7 | 0.09 | 4 | 38.1 | 45.3 | albedo: 0.152 | MPC · JPL |
| 2020 MF53 | 20 June 2020 | New Horizons KBO Search (266) | 77 | SDO | 46.2 | 0.36 | 27 | 29.5 | 62.9 | albedo: 0.124 | MPC · JPL |
| 2020 MG53 | 24 June 2020 | New Horizons KBO Search (266) | 43 | cubewano (cold)? | 42.7 | 0.08 | 5 | 39.3 | 46.1 | albedo: 0.152 | MPC · JPL |
| 2020 MH53 | 20 June 2020 | New Horizons KBO Search (266) | 40 | cubewano (cold)? | 44.4 | 0.08 | 2 | 40.8 | 47.9 | albedo: 0.152 | MPC · JPL |
| 2020 MJ53 | 22 June 2020 | New Horizons KBO Search (266) | 136 | SDO | 81.9 | 0.10 | 7 | 73.4 | 90.3 | albedo: 0.124 | MPC · JPL |
| 2020 MK53 | 22 June 2020 | New Horizons KBO Search (266) | 566 | SDO | 110.0 | 0.45 | 19 | 60.2 | 159.8 | albedo: 0.124 | MPC · JPL |
| 2020 ML1 | 16 June 2020 | Pan-STARRS 1 (F51) | 1.8 | damocloid | 54.1 | 0.95 | 83 | 2.5 | 105.6 | albedo: 0.048 | MPC · JPL |
| 2020 ML53 | 22 June 2020 | New Horizons KBO Search (266) | 31 | cubewano (cold)? | 43.0 | 0.11 | 4 | 38.4 | 47.6 | albedo: 0.152 | MPC · JPL |
| 2020 MM53 | 20 June 2020 | New Horizons KBO Search (266) | 44 | centaur | 37.6 | 0.28 | 2 | 27.1 | 48.1 | albedo: 0.058 | MPC · JPL |
| 2020 MN53 | 22 June 2020 | New Horizons KBO Search (266) | 24 | other TNO | 35.4 | 0.11 | 19 | 31.5 | 39.3 | albedo: 0.13 | MPC · JPL |
| 2020 MO53 | 21 June 2020 | New Horizons KBO Search (266) | 46 | cubewano (cold)? | 46.2 | 0.11 | 3 | 41.0 | 51.5 | albedo: 0.152 | MPC · JPL |
| 2020 MP53 | 22 June 2020 | New Horizons KBO Search (266) | 69 | centaur | 33.6 | 0.67 | 21 | 11.2 | 56.0 | albedo: 0.058 | MPC · JPL |
| 2020 MQ53 | 20 June 2020 | New Horizons KBO Search (266) | 70 | EDDO | 728.5 | 0.92 | 74 | 55.6 | 1401.5 | albedo: 0.124 | MPC · JPL |
| 2020 MS66 | 25 June 2020 | New Horizons KBO Search-Subaru (266) | 41 | cubewano (hot)? | 41.5 | 0.09 | 5 | 37.9 | 45.2 | albedo: 0.079 | MPC · JPL |
| 2020 MY52 | 20 June 2020 | New Horizons KBO Search (266) | 48 | cubewano (hot)? | 42.6 | 0.14 | 22 | 36.6 | 48.6 | albedo: 0.079 | MPC · JPL |
| 2020 MZ52 | 22 June 2020 | New Horizons KBO Search (266) | 45 | other TNO | 40.1 | 0.25 | 14 | 30.2 | 50.1 | albedo: 0.13 | MPC · JPL |
| 2020 PC95 | 12 August 2020 | New Horizons KBO Search (266) | 38 | SDO | 49.0 | 0.30 | 5 | 34.1 | 63.9 | albedo: 0.124 | MPC · JPL |
| 2020 PD95 | 13 August 2020 | New Horizons KBO Search (266) | 102 | SDO | 67.1 | 0.12 | 13 | 59.2 | 75.1 | albedo: 0.124 | MPC · JPL |
| 2020 PE95 | 13 August 2020 | New Horizons KBO Search (266) | 65 | plutino? | 39.6 | 0.11 | 7 | 35.3 | 43.8 | albedo: 0.074 | MPC · JPL |
| 2020 PF95 | 13 August 2020 | New Horizons KBO Search (266) | 76 | other TNO | 49.7 | 0.10 | 15 | 44.6 | 54.7 | albedo: 0.13 | MPC · JPL |
| 2020 PG95 | 12 August 2020 | New Horizons KBO Search (266) | 29 | other TNO | 51.2 | 0.15 | 3 | 43.4 | 59.1 | albedo: 0.13 | MPC · JPL |
| 2020 QH83 | 16 August 2020 | Lowell Discovery Telescope (G37) | 150 | plutino | 39.2 | 0.25 | 23 | 29.3 | 49.1 | albedo: 0.074 | MPC · JPL |
| 2020 QN6 | 18 August 2020 | Pan-STARRS 1 (F51) | 7 | damocloid | 414.4 | 0.99 | 77 | 4.8 | 824.0 | albedo: 0.048 | MPC · JPL |
| 2020 SE35 | 21 September 2020 | Lowell Discovery Telescope (G37) | 74 | res · 3:5 | 42.5 | 0.19 | 8 | 34.3 | 50.8 | albedo: 0.126 | MPC · JPL |
| 2020 TZ114 | 7 October 2020 | Mt. Lemmon Survey (G96) | 388 | plutino | 39.4 | 0.05 | 16 | 37.6 | 41.3 | albedo: 0.074 | MPC · JPL |
| 2020 UC74 | 20 October 2020 | DECam (W84) | 64 | cubewano (hot) | 44.2 | 0.13 | 22 | 38.6 | 49.8 | albedo: 0.079 | MPC · JPL |
| 2020 UD74 | 20 October 2020 | DECam (W84) | 81 | plutino? | 39.4 | 0.01 | 11 | 39.1 | 39.6 | albedo: 0.074 | MPC · JPL |
| 2020 UE74 | 20 October 2020 | DECam (W84) | 53 | cubewano (cold) | 43.8 | 0.07 | 3 | 40.9 | 46.8 | albedo: 0.152 | MPC · JPL |
| 2020 UF74 | 17 October 2020 | DECam (W84) | 49 | cubewano (cold) | 44.1 | 0.07 | 2 | 40.8 | 47.4 | albedo: 0.152 | MPC · JPL |
| 2020 UG74 | 20 October 2020 | DECam (W84) | 72 | cubewano (cold)? | 44.3 | 0.07 | 3 | 41.3 | 47.4 | albedo: 0.152 | MPC · JPL |
| 2020 UH74 | 20 October 2020 | DECam (W84) | 83 | cubewano (cold)? | 42.6 | 0.04 | 4 | 40.9 | 44.3 | albedo: 0.152 | MPC · JPL |
| 2020 UJ74 | 20 October 2020 | DECam (W84) | 66 | SDO | 52.4 | 0.33 | 12 | 35.0 | 69.8 | albedo: 0.124 | MPC · JPL |
| 2020 UT74 | 20 October 2020 | DECam (W84) | 54 | cubewano (cold)? | 48.1 | 0.18 | 4 | 39.3 | 56.8 | albedo: 0.152 | MPC · JPL |
| 2020 UX73 | 17 October 2020 | DECam (W84) | 47 | other TNO | 37.8 | 0.08 | 26 | 34.7 | 40.9 | albedo: 0.13 | MPC · JPL |
| 2020 UY73 | 17 October 2020 | DECam (W84) | 40 | cubewano (cold) | 43.2 | 0.04 | 1 | 41.6 | 44.8 | albedo: 0.152 | MPC · JPL |
| 2020 UZ73 | 18 October 2020 | DECam (W84) | 82 | cubewano (cold) | 46.6 | 0.08 | 1 | 43.0 | 50.1 | albedo: 0.152 | MPC · JPL |
| 2020 VK40 | 9 November 2020 | Cerro Tololo-DECam (W84) | 143 | other TNO | 51.5 | 0.10 | 32 | 46.2 | 56.9 | albedo: 0.13 | MPC · JPL |
| 2020 VL26 | 13 November 2020 | Cerro Tololo Observatory, La Serena (807) | 100 | centaur | 55.5 | 0.69 | 20 | 17.5 | 93.5 | albedo: 0.058 | MPC · JPL |
| 2020 VL40 | 9 November 2020 | Cerro Tololo-DECam (W84) | 96 | cubewano (cold)? | 43.1 | 0.09 | 2 | 39.1 | 47.2 | albedo: 0.152 | MPC · JPL |
| 2020 VN40 | 9 November 2020 | Canada-France-Hawaii Telescope, Maunakea (T14) | 73 | SDO | 144.5 | 0.74 | 33 | 38.3 | 250.7 | albedo: 0.124 | MPC · JPL |
| 2020 VQ40 | 10 November 2020 | Canada-France-Hawaii Telescope, Maunakea (T14) | 111 | plutino | 39.8 | 0.21 | 21 | 31.4 | 48.3 | albedo: 0.074 | MPC · JPL |
| 2020 VR40 | 9 November 2020 | Canada-France-Hawaii Telescope, Maunakea (T14) | 88 | plutino | 39.8 | 0.24 | 30 | 30.3 | 49.3 | albedo: 0.074 | MPC · JPL |
| 2020 VS40 | 9 November 2020 | Canada-France-Hawaii Telescope, Maunakea (T14) | 50 | plutino | 40.0 | 0.33 | 19 | 26.7 | 53.2 | albedo: 0.074 | MPC · JPL |
| 2020 VT40 | 9 November 2020 | Canada-France-Hawaii Telescope, Maunakea (T14) | 78 | plutino | 39.8 | 0.35 | 30 | 25.9 | 53.8 | albedo: 0.074 | MPC · JPL |
| 2020 WM18 | 16 November 2020 | Cerro Tololo Observatory, La Serena (807) | 150 | SDO | 173.2 | 0.85 | 13 | 25.5 | 320.8 | albedo: 0.124 | MPC · JPL |
| 2020 XU19 | 9 December 2020 | Lowell Discovery Telescope (G37) | 77 | cubewano (cold)? | 49.0 | 0.13 | 2 | 42.4 | 55.6 | albedo: 0.152 | MPC · JPL |
| 2020 YF36 | 16 December 2020 | New Horizons KBO Search (269) | 184 | SDO | 65.5 | 0.09 | 13 | 59.5 | 71.6 | albedo: 0.124 | MPC · JPL |
| 2020 YP30 | 17 December 2020 | Maunakea (568) | 123 | twotino | 48.2 | 0.25 | 8 | 36.2 | 60.2 | albedo: 0.126 | MPC · JPL |
