Discovery[1] | |
---|---|
Discovered by | LINEAR |
Discovery site | Lincoln Lab's ETS |
Discovery date | 30 September 2002 |
Designations | |
(154276) 2002 SY50 | |
2002 SY50 | |
Apollo · NEO · PHA[1][2] | |
Orbital characteristics[2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 11.78 yr (4,304 d) |
Aphelion | 2.8793 AU |
Perihelion | 0.5297 AU |
1.7045 AU | |
Eccentricity | 0.6892 |
2.23 yr (813 d) | |
305.15° | |
0° 26m 34.44s / day | |
Inclination | 8.7443° |
34.298° | |
99.395° | |
Earth MOID | 0.0027 AU (1.0519 LD) |
Physical characteristics | |
0.897 km (calculated)[3] 1.060±0.346 km[4] | |
4.823 h[a] | |
0.143±0.173[4] 0.20 (assumed)[3] | |
K[5] · S (assumed)[3] | |
17.00[5] 17.6[2][3][4] | |
(154276) 2002 SY50, provisional designation 2002 SY50, is a stony asteroid on a highly eccentric orbit, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.1 kilometers (0.7 miles) in diameter. It was discovered on 30 September 2002, by astronomers with the Lincoln Near-Earth Asteroid Research at the Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico, in the United States.[1] The K-type asteroid has a rotation period of 4.8 hours.[3][a] It will make a close encounter with Earth on 30 October 2071.[6]
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