![]() Modelled shape of Sarema from its lightcurve | |
Discovery[1] | |
---|---|
Discovered by | K. Reinmuth |
Discovery site | Heidelberg Obs. |
Discovery date | 12 January 1924 |
Designations | |
(1012) Sarema | |
Named after | Sarema[2] (character in opera/poem) |
1924 PM · 1942 VC1 1954 XL · 1954 YF A907 VQ · A907 WA A924 AD | |
main-belt · Nysa[3] background [4] | |
Orbital characteristics[5] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 110.21 yr (40,255 d) |
Aphelion | 2.8132 AU |
Perihelion | 2.1460 AU |
2.4796 AU | |
Eccentricity | 0.1345 |
3.90 yr (1,426 d) | |
45.983° | |
0° 15m 8.64s / day | |
Inclination | 4.0321° |
73.188° | |
24.805° | |
Physical characteristics | |
16.06±5.63 km[6] 17.228±5.264 km[7] 18.18±5.40 km[8] 20.905±0.122 km[9] 21.12±1.3 km[10] 21.13 km (derived)[3] 21.144±0.115 km[11] 22.96±0.49 km[12] | |
10.30708 h[13][14] 10.32 h[15] | |
0.0342±0.0046[11] 0.037±0.002[12] 0.0430±0.006[10] 0.0450 (derived)[3] 0.049±0.003[9] 0.0634±0.0412[7] 0.07±0.04[6] 0.07±0.06[8] | |
Tholen = F[3][5] B–V = 0.693[5] U–B = 0.189[5] | |
12.26[8] · 12.36[3][11] 12.41[5][6][7][10][12][15] | |
1012 Sarema (prov. designation: A924 AD or 1924 PM) is a dark background asteroid from the inner regions of the asteroid belt, approximately 21 kilometers (13 miles) kilometers in diameter. It was discovered on 12 January 1924, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory at Heidelberg, Germany.[1] The asteroid has a rotation period of 10.3 hours and probably an elongated shape.[3] It was named after Sarema, a character in the poem The Fountain of Bakhchisaray by Aleksandr Pushkin, and the protagonist of the opera Sarema by Alexander von Zemlinsky based upon it.[2]
MPC-object
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