Discovery[1] | |
---|---|
Discovered by | A. Schwassmann |
Discovery site | Bergedorf Obs. |
Discovery date | 16 March 1928 |
Designations | |
(1303) Luthera | |
Named after | Robert Luther[2] (German astronomer) |
1928 FP · 1926 XD 1928 HH · 1972 VP1 A917 KC | |
main-belt · (outer)[1][3] Luthera[4] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 89.60 yr (32,726 days) |
Aphelion | 3.5680 AU |
Perihelion | 2.8910 AU |
3.2295 AU | |
Eccentricity | 0.1048 |
5.80 yr (2,120 days) | |
198.00° | |
0° 10m 11.28s / day | |
Inclination | 19.491° |
72.049° | |
100.43° | |
Physical characteristics | |
Dimensions | 81.685±0.494 km[5] 85.08 km (derived)[3] 87.15±1.13 km[6] 90.65±25.04 km[7] 91.35±24.52 km[8] 92.118±2.084 km[9] 112.74±1.41 km[10] |
5.878±0.003 h[11] 7.92±0.05 h[12] | |
0.024±0.003[10] 0.0387 (derived)[3] 0.04±0.02[8] 0.04±0.03[7] 0.0523±0.0093[9] 0.059±0.002[6] | |
C[3] | |
9.00[6][9] · 9.40[7][10] · 9.5[1][3] · 9.51[8] | |
1303 Luthera, provisional designation 1928 FP, is a dark asteroid and the parent body of the Luthera family, located in the outermost regions of the asteroid belt. It measures approximately 90 kilometers in diameter. The asteroid was discovered on 16 March 1928, by astronomer Friedrich Schwassmann at the Bergedorf Observatory in Hamburg, Germany, and later named after German astronomer Robert Luther.[2][13]
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