3754 Kathleen
Large background asteroid / From Wikipedia, the free encyclopedia
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3754 Kathleen, provisional designation 1931 FM, is a large background asteroid from the outer regions of the asteroid belt, approximately 55 kilometers (34 miles) in diameter. It was discovered at the Lowell Observatory near Flagstaff, Arizona, on 16 March 1931, by American astronomer Clyde Tombaugh, who named it after his granddaughter Kathleen Clifford.[1] The assumed C-type asteroid has a rotation period of 11.18 hours.[4] It is the second-highest numbered main-belt asteroid larger than 50 kilometers.[14]
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | C. W. Tombaugh |
Discovery site | Lowell Obs. |
Discovery date | 16 March 1931 |
Designations | |
(3754) Kathleen | |
Named after | Kathleen Clifford [1] (Discoverer's granddaughter) |
1931 FM · 1925 BF 1929 WA1 · 1955 MR 1957 WH1 · 1959 CH1 1959 EC1 · 1963 WD 1977 KR · 1978 NM2 1982 DQ4 · 1985 UD4 1987 BK · A909 HE | |
main-belt [1][2] · (outer) background [3] | |
Orbital characteristics [2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 108.53 yr (39,639 d) |
Aphelion | 3.4993 AU |
Perihelion | 2.8168 AU |
3.1581 AU | |
Eccentricity | 0.1081 |
5.61 yr (2,050 d) | |
157.55° | |
0° 10m 32.16s / day | |
Inclination | 8.4535° |
110.50° | |
55.593° | |
Physical characteristics | |
53.03 km (derived)[4] 53.23±1.8 km[5] 53.699±0.248 km[6] 54.283±1.200 km[7] 57.27±0.69 km[8] 58.64±20.04 km[9] 59.367±14.24 km[10] | |
11.16±0.01 h[11] 11.17±0.02 h[11] 11.18±0.01 h[12] 11.2±0.1 h[13] | |
0.0379±0.0217[10] 0.04±0.01[9] 0.0435 (derived)[4] 0.054±0.002[8] 0.0599±0.0072[7] 0.061±0.006[6] 0.0624±0.005[5] | |
C (assumed)[4] | |
10.00[5][7][8] 10.30[9] 10.40[2][4][10] | |
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