2139 Makharadze
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| Discovery[1] | |
|---|---|
| Discovered by | T. Smirnova |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 30 June 1970 |
| Designations | |
| (2139) Makharadze | |
Named after | Ozurgeti (Georgian city)[2] |
| 1970 MC · 1928 TF 1955 SS1 · 1955 UA1 1970 PJ · 1974 QN 1977 ER1 · A924 RB | |
| main-belt · Nysa[3] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 91.98 yr (33,594 days) |
| Aphelion | 2.9242 AU |
| Perihelion | 1.9997 AU |
| 2.4619 AU | |
| Eccentricity | 0.1878 |
| 3.86 yr (1,411 days) | |
| 54.791° | |
| 0° 15m 18.36s / day | |
| Inclination | 2.1801° |
| 256.16° | |
| 67.561° | |
| Physical characteristics | |
| Dimensions | 8 km (calculated)[3] 17.240±0.092 km[4] |
| 11.9759 h[3] | |
| 0.045±0.007[4] | |
| Tholen = F[1] · F[3] B–V = 0.653[1] U–B = 0.231[1] | |
| 12.80[1][3] | |
2139 Makharadze, provisional designation 1970 MC, is a rare-type Nysa asteroid from the inner region of the asteroid belt, approximately 14 kilometres (8.7 mi) in diameter. It was discovered on 30 June 1970, by Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnyj.[5]
Makharadze belongs to the Nysa family of asteroids. It orbits the Sun in the inner main-belt at a distance of 2.0–2.9 AU once every 3 years and 10 months (1,411 days). Its orbit has an eccentricity of 0.19 and an inclination of 2° with respect to the ecliptic.[1]
Physical characteristics
In the Tholen classification, Makharadze is a F-type asteroid.[1] It has a rotation period of 11.9759 hours with a brightness variation of 0.38 magnitude.[3]
