1040 Klumpkea
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1040 Klumpkea, provisional designation 1925 BD, is a Tirela asteroid from the outer regions of the asteroid belt, approximately 23 kilometers (14 miles) in diameter. It was discovered on 20 January 1925, by Russian–French astronomer Benjamin Jekhowsky at the Algiers Observatory in North Africa.[1] This highly elongated asteroid is the largest member of the stony Tirela family – also known as the Klumpkea family – and has a longer than average rotation period of 59.2 hours.[11] It was named after American astronomer Dorothea Klumpke.[2]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | B. Jekhovsky |
Discovery site | Algiers Obs. |
Discovery date | 20 January 1925 |
Designations | |
(1040) Klumpkea | |
Named after | Dorothea Klumpke[2] (American astronomer) |
1925 BD · 1930 DC1 1936 BB | |
main-belt[1][3] · (outer) Tirela[4] | |
Orbital characteristics[3] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 93.10 yr (34,005 d) |
Aphelion | 3.7117 AU |
Perihelion | 2.5142 AU |
3.1129 AU | |
Eccentricity | 0.1923 |
5.49 yr (2,006 d) | |
4.1328° | |
0° 10m 46.2s / day | |
Inclination | 16.688° |
280.17° | |
158.00° | |
Physical characteristics | |
Mean diameter | 22.340±0.175 km[5][6] 22.669±0.304 km[7] 23.13±0.38 km[8] 34.98±4.3 km[9] |
59.2±0.1 h[10] | |
0.0630[9] 0.237[8] 0.2387[7] 0.245[5][6] | |
C (assumed)[11] S (possible) | |
10.40[5][7][8] 10.5[1][3][11] 10.9[9] | |
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