2340 Hathor
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2340 Hathor (/ˈhæθɔːr, -ər/), provisional designation 1976 UA, is an eccentric stony asteroid, classified as near-Earth object and potentially hazardous asteroid. It belongs to the Aten group of asteroids and measures approximately 210 meters in diameter. Discovered by Charles Kowal in 1976, it was later named after the ancient Egyptian goddess Hathor.
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | C. Kowal |
Discovery site | Palomar Obs. |
Discovery date | 22 October 1976 |
Designations | |
(2340) Hathor | |
Pronunciation | /ˈhæθɔːr, -ər/ |
Named after | Hathor (Egyptian deity)[2] |
1976 UA | |
Aten · NEO · PHA [1][3] | |
Orbital characteristics [1] | |
Epoch 11 August 2004 (JD 2453228.5) | |
Uncertainty parameter 0 | |
Observation arc | 38.00 yr (13,878 days) |
Aphelion | 1.2235 AU |
Perihelion | 0.4642 AU |
0.8438 AU | |
Eccentricity | 0.4499 |
0.78 yr (283 days) | |
42.104° | |
1° 16m 17.4s / day | |
Inclination | 5.8546° |
211.54° | |
39.926° | |
Earth MOID | 0.0069 AU · 2.7 LD |
Physical characteristics | |
Dimensions | 0.210±0.030 km[4] 0.3 km (dated)[1] |
3.350±0.002 h[5] | |
0.15 (dated)[1] 0.3331 (derived)[6] | |
CSU (Tholen)[1] Sq (SMASS)[1] · S [6] B–V = 0.770[1] U–B = 0.500[1] | |
20.2[1][6] | |
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