Discovery[1] | |
---|---|
Discovered by | K. Reinmuth |
Discovery site | Heidelberg Obs. |
Discovery date | 11 August 1928 |
Designations | |
MPC designation | (1097) Vicia |
Pronunciation | /ˈvɪsiə, -ʃiə/[2] |
Named after | Vicia (flowering plant)[3] |
Alternative designations | 1928 PC · 1941 SO2 1958 PF · 1978 BG A907 VF |
Minor planet category | main-belt · (middle)[4] |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 109.40 yr (39,958 days) |
Aphelion | 3.4186 AU |
Perihelion | 1.8697 AU |
Semi-major axis | 2.6441 AU |
Eccentricity | 0.2929 |
Orbital period (sidereal) | 4.30 yr (1,570 days) |
Mean anomaly | 274.05° |
Mean motion | 0° 13m 45.12s / day |
Inclination | 1.5332° |
Longitude of ascending node | 133.86° |
Argument of perihelion | 176.51° |
Physical characteristics | |
Dimensions | 19.63±6.08 km[5] 21.02 km (derived)[4] 23.110±0.118 km[6] 23.95±1.04 km[7] 24.93±0.54 km[8] 26.55±0.35 km[6] |
Synodic rotation period | 26.5±0.1 h[9] |
Geometric albedo | 0.031±0.004[6] 0.04±0.00[7] 0.044±0.007[6] 0.05±0.02[5] 0.060±0.003[8] 0.0695 (derived)[4] |
Spectral type | S/C[4] |
Absolute magnitude (H) | 11.70[8] · 11.90[4][5][6] · 12.0[1] · 12.14±0.26[10] · 12.20[7] |
1097 Vicia, provisional designation 1928 PC, is an asteroid from the central regions of the asteroid belt, approximately 23 kilometers in diameter. Discovered by Karl Reinmuth at the Heidelberg Observatory in 1928, the asteroid was later named after the flowering plant Vicia, commonly known as vetches.
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