Global Information1390 Abastumani information
 Shape model of Abastumani from its lightcurve | |
| Discovery[1] | |
|---|---|
| Discovered by | P. Shajn |
| Discovery site | Simeiz Obs. |
| Discovery date | 3 October 1935 |
| Designations | |
MPC designation | (1390) Abastumani |
Named after | Abastumani (Georgian town)[2] |
Alternative designations | 1935 TA · 1926 GN 1929 UL · A907 GN A916 VA |
Minor planet category |
|
| Orbital characteristics[1] | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 86.80 yr (31,705 days) |
| Aphelion | 3.5547 AU |
| Perihelion | 3.3166 AU |
Semi-major axis | 3.4356 AU |
| Eccentricity | 0.0347 |
Orbital period (sidereal) | 6.37 yr (2,326 days) |
Mean anomaly | 290.65° |
Mean motion | 0° 9m 17.28s / day |
| Inclination | 19.932° |
Longitude of ascending node | 28.919° |
Argument of perihelion | 332.76° |
| Physical characteristics | |
Mean diameter | 95.849±2.283 km[6] 98.30±2.03 km[7] 101.58±2.3 km (IRAS:12)[8] 107.827±6.977 km[9] |
Synodic rotation period | 17.100±0.005 h[10] |
Geometric albedo | 0.0264±0.0121[9] 0.0298±0.001 (IRAS:12)[8] 0.033±0.002[6][7] |
Spectral type |
|
Absolute magnitude (H) | 9.40[1][7][8][9][11] |
1390 Abastumani (prov. designation: 1935 TA) is a very large and dark background asteroid from the outer region of the asteroid belt. It was discovered on 3 October 1935, by Russian astronomer Pelageya Shajn at the Simeiz Observatory on the Crimean peninsula.[3] The primitive P-type asteroid has a rotation period of 17.1 hours and measures approximately 101 kilometers (63 miles) in diameter. It was named for the Georgian town of Abastumani.[2]
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