1100 Arnica
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | Karl Wilhelm Reinmuth |
| Discovery site | Heidelburg |
| Discovery date | September 22, 1928 |
| Designations | |
|
Named after
|
Arnica |
| 1928 SD, 1950 BU, 1976 MK, 1979 HE, A904 XA, A918 RD | |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch June 27, 2015 (JD 2457200.5) | |
| Aphelion | 3.0956 AU (463.10 Gm) |
| Perihelion | 2.6994 AU (403.82 Gm) |
| 2.8976 AU (433.47 Gm) | |
| Eccentricity | 0.0684 |
| 1801.5729 days 4.93 years |
|
|
Average orbital speed
|
17.48 km/s |
| 247.1894° | |
| Inclination | 1.0346° |
| 304.1374° | |
| 24.3459° | |
| Physical characteristics | |
| 14.535 hours | |
| Temperature | ~163 K |
| 10.9 | |
1100 Arnica is a minor planet orbiting the Sun. Initially it received the designation 1928 SD. It is named for the Arnica genus of plants. It is a member of the Koronis family.
Interactions with other asteroids
Arnica occasionally makes close approaches to other main-belt asteroids. It will pass close to 88 Thisbe three times before the year 2200. On February 21, 2043, Arnica will be 0.0487 AU (7.29 Gm) from Thisbe. On March 31, 2112, it will be 0.0432 AU (6.46 Gm) from Thisbe. Its closest approach to Thisbe will occur on May 17, 2181, when its distance to Thisbe will be 0.0277 AU (4.14 Gm). It will also approach 7 Iris and 16 Psyche, coming within 0.0117 AU (1.75 Gm) and 0.0369 AU (5.52 Gm) on November 28, 2104 and July 16, 2199, respectively.
