(285263) 1998 QE2
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(285263) 1998 QE2, provisional designation 1998 QE2, is a dark asteroid and synchronous binary system, classified as near-Earth object and potentially hazardous asteroid of the Amor group, approximately 3 kilometers in diameter.[7] It was discovered on 19 August 1998, by astronomers of the LINEAR program at Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico, in the United States.[2] Its sub-kilometer minor-planet moon was discovered by radar on 30 May 2013.[4][lower-alpha 1]
Quick Facts Discovered by, Discovery site ...
Discovery[1][2][3] | |
---|---|
Discovered by | LINEAR |
Discovery site | Lincoln Lab's ETS |
Discovery date | 19 August 1998 |
Designations | |
(285263) 1998 QE2 | |
1998 QE2 | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 19.24 yr (7,029 days) |
Aphelion | 3.8092 AU |
Perihelion | 1.0377 AU |
2.4234 AU | |
Eccentricity | 0.5718 |
3.77 yr (1,378 days) | |
49.758° | |
0° 15m 40.32s / day | |
Inclination | 12.859° |
250.14° | |
345.65° | |
Known satellites | 1[4][lower-alpha 1] |
Earth MOID | 0.0345 AU (13.4 LD) |
TJupiter | 3.239 |
Physical characteristics | |
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S (assumed)[5] | |
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