1303 Luthera

1303 Luthera
Discovery[1]
Discovered byA. Schwassmann
Discovery siteBergedorf Obs.
Discovery date16 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 arc89.60 yr (32,726 days)
Aphelion3.5680 AU
Perihelion2.8910 AU
3.2295 AU
Eccentricity0.1048
5.80 yr (2,120 days)
198.00°
0° 10m 11.28s / day
Inclination19.491°
72.049°
100.43°
Physical characteristics
Dimensions81.685±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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