Discovery[1] | |
---|---|
Discovered by | Harvard College Obs. |
Discovery site | Agassiz Stn. |
Discovery date | 2 February 1975 |
Designations | |
(1940) Whipple | |
Named after | Fred L. Whipple (American astronomer)[2] |
1975 CA · 1932 AD 1950 LH · 1962 SH 1970 EC1 · 1971 KD1 1971 KN · A916 AD | |
main-belt · (outer)[3] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 54.50 yr (19,907 days) |
Aphelion | 3.2556 AU |
Perihelion | 2.8656 AU |
3.0606 AU | |
Eccentricity | 0.0637 |
5.35 yr (1,956 days) | |
18.583° | |
0° 11m 2.76s / day | |
Inclination | 6.5587° |
263.80° | |
179.82° | |
Physical characteristics | |
32.57±0.43 km[4] 33.83 km (derived)[3] 33.87±1.3 km[5] 36.34±0.66 km[6] 37.481±0.250 km[7] 40.431±0.471 km[8] | |
5.78±0.03 h[9] 6.953±0.003 h[10] | |
0.0430±0.0097[8] 0.054±0.002[6] 0.0560 (derived)[3] 0.060±0.009[4] 0.0613±0.005[5] | |
C[3][11] | |
11.0[5][6][8] · 11.1[1][3][4] · 11.16±0.27[11] | |
1940 Whipple (prov. designation: 1975 CA) is a carbonaceous background asteroid from the outer region of the asteroid belt, approximately 35 kilometers (22 miles) in diameter. It was discovered on 2 February 1975, by the Harvard College Observatory at its George R. Agassiz Station near Harvard, Massachusetts, in the United States, and named after astronomer Fred Whipple.[12]
jpldata
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