2114 Wallenquist
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2114 Wallenquist, provisional designation 1976 HA, is a Themistian asteroid from the outer region of the asteroid belt, approximately 28 kilometers in diameter. It was discovered by Swedish astronomer Claes-Ingvar Lagerkvist at the Australian Mount Stromlo Observatory near Canberra, on 19 April 1976.[12]
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | C.-I. Lagerkvist |
Discovery site | Mount Stromlo Obs. |
Discovery date | 19 April 1976 |
Designations | |
(2114) Wallenquist | |
Named after | Åke Wallenquist (Swedish astronomer)[2] |
1976 HA · 1930 DG 1942 LD · 1953 GZ 1964 FA · 1970 EO3 1970 EZ2 | |
main-belt · Themis [3] | |
Orbital characteristics [1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 63.51 yr (23,198 days) |
Aphelion | 3.6508 AU |
Perihelion | 2.7467 AU |
3.1987 AU | |
Eccentricity | 0.1413 |
5.72 yr (2,090 days) | |
91.271° | |
0° 10m 20.28s / day | |
Inclination | 0.5558° |
1.5530° | |
216.98° | |
Physical characteristics | |
Dimensions | 21.12±1.26 km[4] 22.558±0.079[5] 23.008±0.190 km[6] 27.45 km (derived)[3] 27.67±2.3 km (IRAS:2)[7] |
5.49±0.01 h[8] 5.5078±0.0009 h[9] 5.510±0.005 h[10] | |
0.0447 (derived)[3] 0.0838±0.016 (IRAS:2)[7] 0.1216±0.0099[6] 0.145±0.019[5] 0.149±0.020[4] | |
S [3] | |
11.1[7][4][6] · 11.749±0.002 (R)[9] · 11.8[1][3] · 11.87±0.23[11] | |
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