(669555) 2012 YQ1
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(669555) 2012 YQ1 is a sub-kilometer asteroid, classified as a near-Earth object and a potentially hazardous asteroid of the Apollo group, approximately 200 meters in diameter. It was first observed on 19 December 2012, by astronomers Andrey Oreshko and Timur Kryachko at the Elena Remote Observatory (G32) located in the Chilean Atacama desert.[1][2]
Quick Facts Discovery, Discovered by ...
Discovery[1][2] | |
---|---|
Discovered by | A. Oreshko T. Kryachko |
Discovery site | Elena Remote Obs. |
Discovery date | 19 December 2012 (first observed only) |
Designations | |
2012 YQ1 | |
NEO · Apollo · PHA[2][3] | |
Orbital characteristics[3] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 6 | |
Aphelion | 3.11880 AU (466.566 Gm) |
Perihelion | 0.86916 AU (130.024 Gm) |
1.99398 AU (298.295 Gm) | |
Eccentricity | 0.56411 |
2.82 yr (1028.4 d) | |
12.74578° | |
0° 21m 0.158s /day | |
Inclination | 5.15193° |
120.16813° | |
42.09537° | |
Earth MOID | 0.00774939 AU (1,159,292 km) |
Physical characteristics | |
Mean diameter | ~220 m (720 ft)[4] |
21.1[3] · 20.9[5] | |
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