2004 FU162
2004 FU162 is an Aten near-Earth asteroid less than 20 meters in diameter crudely estimated to have passed roughly 6500 km above the surface of Earth on 31 March 2004.
| Designations | |
|---|---|
MPC designation | 2004 FU162 |
Minor planet category | Aten · NEO |
| Orbital characteristics | |
| Epoch 5 April 2004 (JD 2453100.5) | |
| Uncertainty parameter 9 | |
| Observation arc | 44 minutes (only 4 observations) |
| Aphelion | 1.1511 AU |
| Perihelion | 0.5026 AU |
Semi-major axis | 0.8269 AU |
| Eccentricity | 0.3922 |
Orbital period (sidereal) | 0.75 yr (275 days) |
Mean anomaly | 262.67° |
Mean motion | 1° 18m 39.24s / day |
| Inclination | 4.1647° |
Longitude of ascending node | 191.25° |
| 139.78° | |
| Earth MOID | 0.0001 AU |
| Physical characteristics | |
| Dimensions | 4–12 meters (estimated) |
| 28.7 | |
It was only observed for 44 minutes on 31 March 2004, by the Lincoln Near-Earth Asteroid Research (LINEAR) team at Lincoln Laboratory's Experimental Test Site in Socorro, New Mexico, and remains a lost asteroid. The estimated 4 to 6 meter sized body made one of the closest known approaches to Earth.
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