2010 FX86
Classical Kuiper belt object
From Wikipedia, the free encyclopedia
2010 FX86 is a relatively bright trans-Neptunian object[2] with an absolute magnitude of about 4.55.[2][3][6]
| Discovery[1] | |
|---|---|
| Discovered by | S. S. Sheppard, A. Udalski, I. Soszynski |
| Discovery site | Las Campanas Observatory, Chile |
| Discovery date | 17 March 2010 |
| Designations | |
| 2010 FX86 | |
| TNO[2] distant[3] | |
| Orbital characteristics[2] | |
| Epoch 21 November 2025 (JD 2461000.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 4428 days (12.12 yr) |
| Aphelion | 49.330 AU (7.3797 Tm) |
| Perihelion | 43.912 AU (6.5691 Tm) |
| 46.621 AU (6.9744 Tm) | |
| Eccentricity | 0.058114 |
| 318.33 yr (116,271 d) | |
| 293.970° | |
| 0° 0m 11.146s /day | |
| Inclination | 25.1944° |
| 310.815° | |
| ≈ 25 February 2084[4] ±44 days | |
| 356.307° | |
| Known satellites | 0 |
| Earth MOID | 42.8957 AU (6.41711 Tm) |
| Jupiter MOID | 38.8027 AU (5.80480 Tm) |
| Physical characteristics | |
| 305–682 km[2][3][5][a] 549 km[6][b] | |
| 15.80 h (0.658 d)[2][c] | |
| 0.09 (assumed)[6] | |
| 4.55[2][3] 4.6[6] | |
It was first discovered on 17 March 2010, at Las Campanas Observatory in Chile, by S. S. Sheppard, A. Udalski and I. Soszynski. No earlier precovery images for it have been found. It is estimated to be about 520 kilometres (320 mi) in diameter,[6] with a rotation period of approximately 15.80 hours,[2] but as of yet no detailed photometry has been taken to properly determine colour or albedo, or to better confirm its rotational lightcurve.
2010 FX86 has not yet been imaged by high-resolution telescopes, so it has no known moons. The Hubble Space Telescope is planned to image it in 2026, which should determine if it has significantly sized moons.[7]
