1844 Susilva
| Discovery [1] | |
|---|---|
| Discovered by | P. Wild |
| Discovery site | Zimmerwald Obs. |
| Discovery date | 30 October 1972 |
| Designations | |
| MPC designation | 1844 Susilva |
|
Named after
|
Susi from Wald, Zürich (school sweetheart)[2] |
| 1972 UB · 1943 EU 1953 AA · 1959 GJ |
|
| main-belt · Eos [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 62.75 yr (22,918 days) |
| Aphelion | 3.1688 AU |
| Perihelion | 2.8593 AU |
| 3.0140 AU | |
| Eccentricity | 0.0513 |
| 5.23 yr (1,911 days) | |
| 278.16° | |
| Inclination | 11.790° |
| 99.488° | |
| 75.542° | |
| Physical characteristics | |
| Dimensions | 26.80±0.32 km[4] 19.022±0.232 km[5] 22.41 km (calculated)[3] |
| 0.118±0.011[4] 0.2358±0.0545[5] 0.14 (assumed)[3] |
|
| S [3] | |
| 11.0 | |
1844 Susilva, provisional designation 1972 UB, is a stony asteroid from the outer region of the asteroid belt, about 22 kilometers in diameter. It was discovered by astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland on 30 October 1972.[6]
The asteroid is a member or the Eos family. It orbits the Sun at a distance of 2.9–3.2 AU once every 5.23 years (1,911 days). Its low-eccentric orbit is tilted by 12 degrees to the plane of the ecliptic. The S-type asteroid has an albedo of about 0.14, with observational results of 0.118±0.011 and 0.2358±0.0545 from the WISE/NEOWISE surveys.[4][5] Susilva's rotation period has not yet been measured.
The discoverer named a pair of asteroids after two of his former schoolmates, Susi and Helen, both from the small village of Wald, Zürich in Switzerland. This one was dedicated to Susi, while the subsequently numbered asteroid 1845 Helewalda was given to Helen.[2]
References
- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 3.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Geneve, Raoul Behrend
- 1844 Susilva at the JPL Small-Body Database
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