1039 Sonneberga
| Discovery | |
|---|---|
| Discovered by | M. Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 24 November 1924 |
| Designations | |
| MPC designation | 1039 Sonneberga |
|
Named after
|
Sonneberg (city and observatory) |
| 1924 TL · 1942 XG 1984 OK |
|
| main-belt · (middle) | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 91.07 yr (33262 days) |
| Aphelion | 2.8393 AU (424.75 Gm) |
| Perihelion | 2.5222 AU (377.32 Gm) |
| 2.6808 AU (401.04 Gm) | |
| Eccentricity | 0.059141 |
| 4.39 yr (1603.2 d) | |
| 191.68° | |
| 0° 13m 28.38s / day | |
| Inclination | 4.5550° |
| 221.73° | |
| 327.28° | |
| Earth MOID | 1.52273 AU (227.797 Gm) |
| Jupiter MOID | 2.12948 AU (318.566 Gm) |
| Jupiter Tisserand parameter | 3.370 |
| Physical characteristics | |
| Dimensions |
36.70±1.4 km 33.99±0.72 km 33.919±0.128 km 33.85±0.29 km 36.62 km (derived) |
|
Mean radius
|
18.35±0.7 km |
| 34.2±0.03 h, 34.2 h (1.43 d) | |
|
0.0476±0.004 0.059±0.003 0.0430±0.0081 0.042±0.009 0.0363 (derived) |
|
|
SMASS = X C |
|
| 11.5 | |
1039 Sonneberga, provisional designation 1924 TL, is a dark asteroid from the middle region of the asteroid belt, about 35 kilometers in diameter. It was discovered by German astronomer Max Wolf at Heidelberg Observatory on 24 November 1924.
The X-type asteroid orbits the Sun at a distance of 2.5–2.8 AU once every 4.39 years (1,603 days). Its orbit shows an eccentricity of 0.06 and is tilted by 5 degrees to the plane of the ecliptic. It has a rotation period of 34.2 hours and an geometric albedo of about 0.04, according to the surveys carried out by IRAS, Akari, WISE and NEOWISE.
The minor planet was named for the city of Sonneberg, Thuringia in Germany and location of the Sonneberg Observatory. It was founded in 1925 by astronomer Cuno Hoffmeister after whom the minor planets 1726 Hoffmeister and 4183 Cuno are named.
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