2004 FH
Flyby of asteroid 2004 FH; the object that flashes by is a man-made satellite. | |
| Discovery | |
|---|---|
| Discovered by | LINEAR |
| Discovery site | Lincoln Lab's ETS |
| Discovery date | 16 March 2004 |
| Designations | |
| 2004 FH | |
| 2004 FH | |
| NEO · Aten | |
| Orbital characteristics | |
| Epoch 21 Nov 2025 (JD 2461000.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 6184 days (16.93 years) |
| Aphelion | 1.0559 AU |
| Perihelion | 0.5826 AU |
| 0.8193 AU | |
| Eccentricity | 0.2888 |
| 0.7415 yr (270.84 days) | |
| 333.74° | |
| 1° 19m 45.12s / day | |
| Inclination | 0.0549° |
| 258.20° | |
| 69.180° | |
| Earth MOID | 0.000484 AU |
| Physical characteristics | |
| Dimensions | 24 m (calculated) 30 m (estimate) |
| 0.0504 h (3.02 min) | |
| 0.20 (assumed) | |
| S (assumed) | |
| 25.7 | |
2004 FH is a micro-asteroid and near-Earth object of the Aten group, approximately 30 meters in diameter, that passed just 43,000 km (27,000 mi) above the Earth's surface on 18 March 2004, at 22:08 UTC. It was the 11th-closest approach to Earth recorded as of 21 November 2008. The asteroid was first observed on 16 March 2004, by astronomers of the Lincoln Near-Earth Asteroid Research at the Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico.