2754 Efimov
| Discovery [1] | |
|---|---|
| Discovered by | T. Smirnova |
| Discovery site | CrAO (Nauchnyj) |
| Discovery date | 13 August 1966 |
| Designations | |
| MPC designation | 2754 Efimov |
|
Named after
|
Mikhail Efimov[2] |
| 1966 PD · 1933 WF 1966 RB · 1973 YR1 |
|
| main-belt | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 64.28 yr (23,480 days) |
| Aphelion | 2.7463 AU |
| Perihelion | 1.7085 AU |
| 2.2274 AU | |
| Eccentricity | 0.2329 |
| 3.32 yr (1,214.2 days) | |
| 223.11° | |
| Inclination | 5.7095° |
| 275.17° | |
| 91.167° | |
| Earth MOID | 0.7190 AU |
| Physical characteristics | |
| 2.45 h | |
| Sa (SMASSII) | |
| 13.6 mag | |
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2754 Efimov, provisionally named 1966 PD, is a main-belt binary asteroid discovered on August 13, 1966 by Tamara Smirnova at Nauchnyj.[1] It is named in memory of the aviator Mikhail Nikiforovich Efimov (1881–1919), who was the first to realize steep turns and dives.[2]
Astronomers discovered a moon around the asteroid in 2006 using lightcurve observations, with a diameter of 1.29 kilometers and an orbital period of 14 hours and 46 minutes.[3]
References
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