(163132) 2002 CU11
(163132) 2002 CU11, provisional designation 2002 CU11, is a bright, sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group. Based on absolute magnitude, it is the second largest asteroid known to have passed closer than the Moon.
| Discovery | |
|---|---|
| Discovered by | LINEAR |
| Discovery date | 7 February 2002 |
| Designations | |
MPC designation | (163132) 2002 CU11 |
Minor planet category | NEO · PHA · Apollo |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 4600 days (12.59 yr) |
| Aphelion | 1.5795 AU (236.29 Gm) |
| Perihelion | 0.85959 AU (128.593 Gm) |
Semi-major axis | 1.2196 AU (182.45 Gm) |
| Eccentricity | 0.29517 |
Orbital period (sidereal) | 1.35 yr (491.94 d) |
Mean anomaly | 47.609° |
Mean motion | 0° 43m 54.48s / day (n) |
| Inclination | 48.782° |
Longitude of ascending node | 157.77° |
| 110.54° | |
| Earth MOID | 0.00189035 AU (282,792 km) |
| Physical characteristics | |
Mean diameter | 0.460±0.017 km 0.730 km (assumed) |
| Mass | 5.3×1011 kg (assumed) |
| 0.408±0.061 | |
| 18.5 | |
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