9931 Herbhauptman
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9931 Herbhauptman, provisional designation 1985 HH, is a stony Nysian asteroid from the inner regions of the asteroid belt, approximately 5 kilometers (3 miles) in diameter. It was discovered on 18 April 1985, by Czech astronomer Antonín Mrkos at the Kleť Observatory in former Czechoslovakia.[1] The S-type asteroid has a rotation period of 4.44 hours.[3] It was named after American mathematician and Nobel laureate Herbert A. Hauptman.[1]
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | A. Mrkos |
Discovery site | Kleť Obs. |
Discovery date | 18 April 1985 |
Designations | |
(9931) Herbhauptman | |
Named after | Herbert A. Hauptman [1] (American mathematician) |
1985 HH · 1982 QJ1 1996 HA1 | |
main-belt [1][2] · (inner)[3] Nysa [4] | |
Orbital characteristics [2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 35.60 yr (13,004 d) |
Aphelion | 2.7991 AU |
Perihelion | 1.9573 AU |
2.3782 AU | |
Eccentricity | 0.1770 |
3.67 yr (1,340 d) | |
329.47° | |
0° 16m 7.32s / day | |
Inclination | 2.4717° |
157.21° | |
80.707° | |
Physical characteristics | |
4.54 km (calculated)[3] 5.179±0.368 km[5][6] | |
4.438±0.0091 h[7] 4.44±0.020 h[8] | |
0.20 (assumed)[3] 0.239±0.042[5][6] | |
S [3][9] | |
13.6[6] 13.629±0.001 (R)[7] 13.660±0.090 (R)[8] 13.7[2] 14.06±0.32[9] 14.08[3] | |
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