2754 Efimov
| Discovery | |
|---|---|
| Discovered by | T. Smirnova |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 13 August 1966 |
| Designations | |
| (2754) Efimov | |
Named after | Mikhail Efimov (Russian aviator) |
| 1966 PD · 1933 WF 1966 RB · 1973 YR1 | |
| main-belt · (inner) | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 66.15 yr (24,160 days) |
| Aphelion | 2.7464 AU |
| Perihelion | 1.7085 AU |
| 2.2274 AU | |
| Eccentricity | 0.2330 |
| 3.32 yr (1,214 days) | |
| 100.35° | |
| 0° 17m 47.4s / day | |
| Inclination | 5.7096° |
| 275.17° | |
| 91.098° | |
| Known satellites | 1 |
| Physical characteristics | |
| Dimensions | 4.98 km (derived) |
| 2.44967 h (0.102070 d) | |
| 0.20 (assumed) | |
| SMASS = Sa · S · L | |
| 13.6 · 13.92 | |
2754 Efimov, provisionally named 1966 PD, is a stony asteroid and binary system from the inner regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 13 August 1966, by Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula. The asteroid was named after Russian aviator Mikhail Efimov.