Discovery[1] | |
---|---|
Discovered by | LINEAR |
Discovery site | Lincoln Lab's ETS |
Discovery date | 13 January 2004 |
Designations | |
(444004) 2004 AS1 | |
2004 AS1 · AL00667[2] | |
NEO · Apollo · PHA[1][3] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 11.68 yr (4,265 days) |
Aphelion | 1.2573 AU |
Perihelion | 0.8838 AU |
1.0706 AU | |
Eccentricity | 0.1744 |
1.11 yr (405 days) | |
21.337° | |
0° 53m 23.28s / day | |
Inclination | 17.215° |
322.56° | |
262.07° | |
Earth MOID | 0.0240 AU (9.3 LD) |
Physical characteristics | |
240 m (est. at 0.20)[4] 480 m (est. at 0.05)[4] | |
20.5[1] | |
(444004) 2004 AS1, provisional designation 2004 AS1, and also known by the temporary name AL00667,[2] is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 300 meters in diameter.
It was discovered on 13 January 2004, by astronomers of the LINEAR program at the Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico, in the United States.[3]
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