1390 Abastumani

1390 Abastumani
Shape model of Abastumani from its lightcurve
Discovery[1]
Discovered byP. Shajn
Discovery siteSimeiz Obs.
Discovery date3 October 1935
Designations
(1390) Abastumani
Named after
Abastumani
(Georgian town)[2]
1935 TA · 1926 GN
1929 UL · A907 GN
A916 VA
Orbital characteristics[1]
Epoch 16 February 2017 (JD 2457800.5)
Uncertainty parameter 0
Observation arc86.80 yr (31,705 days)
Aphelion3.5547 AU
Perihelion3.3166 AU
3.4356 AU
Eccentricity0.0347
6.37 yr (2,326 days)
290.65°
0° 9m 17.28s / day
Inclination19.932°
28.919°
332.76°
Physical characteristics
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]
17.100±0.005 h[10]
0.0264±0.0121[9]
0.0298±0.001 (IRAS:12)[8]
0.033±0.002[6][7]
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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