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2012 LZ1
From Wikipedia, the free encyclopedia
2012 LZ1 is an asteroid classified as near-Earth object and potentially hazardous asteroid of the Amor group, approximately 1 km (0.62 mi) in diameter.[4] It passed within 5.4 million kilometers (14 lunar distances) of Earth on 14 June 2012.[4] It was discovered during the night of 10–11 June 2012 by astronomer Robert H. McNaught and his colleagues using the 0.5-meter Uppsala Southern Schmidt Telescope at the Siding Spring Observatory in Australia, just four days before its closest approach to Earth.[5][6]
Quick Facts Discovery, Discovered by ...
![]() Radar image of 2012 LZ1 by the Arecibo Observatory in 2012 | |
Discovery[1] | |
---|---|
Discovered by | Robert H. McNaught |
Discovery site | Siding Spring Survey |
Discovery date | 10 June 2012 |
Designations | |
2012 LZ1 | |
Orbital characteristics[2] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 2 | |
Aphelion | 4.0667 AU (608.37 Gm) (Q) |
Perihelion | 1.0492 AU (156.96 Gm) (q) |
2.5579 AU (382.66 Gm) (a) | |
Eccentricity | 0.58984 (e) |
4.09 yr (1494.3 d) | |
312.53° (M) | |
0° 14m 27.312s / day (n) | |
Inclination | 26.102° (i) |
264.53° (Ω) | |
14.241° (ω) | |
Earth MOID | 0.043164 AU (6.4572 Gm) |
Jupiter MOID | 1.1348 AU (169.76 Gm) |
Physical characteristics | |
Dimensions | ~1 km[3] |
12.87 h (0.536 d) | |
10–15 hr[3] | |
0.02–0.04[3] | |
19.9[2] | |
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