1087 Arabis
Lightcurve-based 3D-model of Arabis | |
| Discovery | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 2 September 1927 |
| Designations | |
| (1087) Arabis | |
| Pronunciation | /ˈærəbɪs/ |
Named after | Arabis (flowering plant) |
| 1927 RD · 1973 LB A917 UE | |
| main-belt · (outer) Eos | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 89.40 yr (32,655 days) |
| Aphelion | 3.2984 AU |
| Perihelion | 2.7300 AU |
| 3.0142 AU | |
| Eccentricity | 0.0943 |
| 5.23 yr (1,911 days) | |
| 12.959° | |
| 0° 11m 17.88s / day | |
| Inclination | 10.061° |
| 30.425° | |
| 25.793° | |
| Physical characteristics | |
| Dimensions | 31.67 km (derived) 31.75±2.5 km 36.97±0.50 km 37.498±0.493 km 45.625±0.588 km 47.98±0.80 km |
| 5.794 h 5.794995±0.000002 h 5.79500±0.00001 h 5.79501±0.00005 h 5.797±0.001 h | |
| 0.098±0.015 0.1031±0.0150 0.171±0.006 0.2137 (derived) 0.2248±0.040 | |
| Tholen = S B–V = 0.823 U–B = 0.370 | |
| 9.73 · 9.75±0.26 · 9.79 | |
1087 Arabis /ˈærəbɪs/ is a stony Eoan asteroid from the outer regions of the asteroid belt, approximately 35 kilometers in diameter. It was discovered by Karl Reinmuth at the Heidelberg Observatory in 1927 and assigned the provisional designation 1927 RD. The asteroid was named after the flowering plant Arabis (rockcress).