Discovery [1] | |
---|---|
Discovered by | T. Smirnova |
Discovery site | Crimean Astrophysical Obs. |
Discovery date | 13 August 1966 |
Designations | |
(2754) Efimov | |
Named after | Mikhail Efimov (Russian aviator)[2] |
1966 PD · 1933 WF 1966 RB · 1973 YR1 | |
main-belt · (inner)[3] | |
Orbital characteristics [1] | |
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[4] |
Physical characteristics | |
Dimensions | 4.98 km (derived)[3] |
2.44967 h (0.102070 d)[3] | |
0.20 (assumed)[3] | |
SMASS = Sa [1] · S [3] · L [5] | |
13.6[1] · 13.92[3] | |
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.[6] The asteroid was named after Russian aviator Mikhail Efimov.[2]
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