1889 Pakhmutova
1889 Pakhmutova, provisional designation 1968 BE, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 35 kilometers in diameter.
Lightcurve-based 3D-model of Pakhmutova | |
| Discovery | |
|---|---|
| Discovered by | L. Chernykh |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 24 January 1968 |
| Designations | |
MPC designation | (1889) Pakhmutova |
Named after | Aleksandra Pakhmutova (Russian composer) |
Alternative designations | 1968 BE · 1942 JM 1966 US · 1969 JM |
Minor planet category | main-belt · (outer) |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 50.53 yr (18,455 days) |
| Aphelion | 3.4349 AU |
| Perihelion | 2.7452 AU |
Semi-major axis | 3.0901 AU |
| Eccentricity | 0.1116 |
Orbital period (sidereal) | 5.43 yr (1,984 days) |
Mean anomaly | 33.156° |
Mean motion | 0° 10m 53.04s / day |
| Inclination | 13.183° |
Longitude of ascending node | 55.153° |
| 84.606° | |
| Physical characteristics | |
| Dimensions | 33.41 km (derived) 33.53±1.8 km 35.24±0.63 km 35.45±10.87 km 37.47±0.84 km 37.68±14.19 km |
Synodic rotation period | 17.490±0.004 h 17.5157±0.0005 h 17.5226±0.0113 h |
| 0.05±0.04 0.057±0.013 0.0574 (derived) 0.06±0.09 0.061±0.003 0.0752±0.009 | |
| C | |
| 10.80 · 10.969±0.002 (R) · 11.0 · 11.1 · 11.12 · 11.29±0.37 | |
It was discovered by Russian astronomer Lyudmila Chernykh at the Crimean Astrophysical Observatory in Nauchnyj on 24 January 1968. The asteroid was named after Russian composer Aleksandra Pakhmutova.
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