791 Ani
Modelled shape of Ani from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | G. Neujmin |
| Discovery site | Simeiz Obs. |
| Discovery date | 29 June 1914 |
| Designations | |
| (791) Ani | |
Named after | Historic city of Ani |
| A914 MB · 1949 WH 1964 PO · 1975 XM 1914 UV | |
| main-belt · (outer) Meliboea · Bg | |
| Orbital characteristics | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 104.08 yr (38,017 d) |
| Aphelion | 3.7242 AU |
| Perihelion | 2.5197 AU |
| 3.1219 AU | |
| Eccentricity | 0.1929 |
| 5.52 yr (2,015 d) | |
| 33.057° | |
| 0° 10m 43.32s / day | |
| Inclination | 16.381° |
| 129.81° | |
| 201.49° | |
| Physical characteristics | |
| Dimensions | 65.7 km × 103.5 km |
| |
| 11.174±0.004 h | |
Pole ecliptic latitude |
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791 Ani (prov. designation: A914 MB or 1914 UV) is a very large asteroid of the Meliboea family, located in the outer regions of the asteroid belt. It was discovered on 29 June 1914, by Russian astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. The dark carbonaceous C-type asteroid has a rotation period of 11.2 hours and measures approximately 65.7 × 103.5 kilometers, with a mean diameter of 100 km (62 mi). It was named after the historic Armenian city of Ani.