Discovered by Karl Wilhelm Reinmuth Minor planet category Main belt Aphelion 3.0968 AU (463.27 Gm) Orbits Sun Named after Arnica | Discovery date 22 September 1928 Observation arc 97.47 yr (35601 days) Discovered 22 September 1928 Discoverer Karl Wilhelm Reinmuth Asteroid family Koronis family | |
Alternative names 1928 SD, 1950 BU, 1976 MK, 1979 HE, A904 XA, A918 RD Discovery site Landessternwarte Heidelberg-Königstuhl Similar 1056 Azalea, 1002 Olbersia, 1111 Reinmuthia, 1001 Gaussia, 1102 Pepita | ||
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.
References
1100 Arnica Wikipedia(Text) CC BY-SA