1250 Galanthus
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1250 Galanthus, provisional designation 1933 BD, is a dark background asteroid from the central regions of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 25 January 1933, by German astronomer Karl Reinmuth at the Heidelberg Observatory.[14] The asteroid was named for the herbaceous plant Galanthus, also known as "snowdrop".[3]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | K. Reinmuth |
Discovery site | Heidelberg Obs. |
Discovery date | 25 January 1933 |
Designations | |
(1250) Galanthus | |
Pronunciation | /ɡəˈlænθəs/[2] |
Named after | Galanthus (snowdrop) (herbaceous plants)[3] |
1933 BD · 1971 OQ | |
main-belt · (middle) background[4] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 84.84 yr (30,987 days) |
Aphelion | 3.2465 AU |
Perihelion | 1.8560 AU |
2.5513 AU | |
Eccentricity | 0.2725 |
4.08 yr (1,488 days) | |
249.60° | |
0° 14m 30.84s / day | |
Inclination | 15.169° |
292.02° | |
217.17° | |
Physical characteristics | |
Dimensions | 17.18±5.39 km[5] 19.394±0.152 km[6] 19.54±0.36 km[7] 20.062±0.112 km[8] 20.33±4.93 km[9] 21.00±2.9 km[10] |
3.918±0.0009 h[11] 3.92 h[12] | |
0.04±0.02[9] 0.0443±0.0069[6] 0.0500±0.017[10] 0.055±0.011[8] 0.058±0.002[7] 0.06±0.04[5] | |
C (assumed)[13] | |
12.233±0.001 (R)[11] · 12.26[1][5][6][7][10][13] · 12.52[9] | |
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