(223879) Anthonyegan Main-belt Asteroid
Discovered on 18 October 2004 by M. W. Buie at Kitt Peak.
Anthony F. Egan (b. 1969) is an American software and IT engineer who provided crucial multi-year support to the NASA New Horizons Science Operations Center during the spacecraft's flight to Pluto and the Kuiper Belt.Naming citation (WGSBN Bull. 5, #4, 28), IAU / Minor Planet Center, via NASA/JPL
Where Anthonyegan is today
Seen from above the solar system on 2026-10-14: Anthonyegan is 2.87 au from the Sun and 3.83 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 223879 |
| Provisional designation | 2004 UL5 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.51 |
| Orbital period | 5.02 years |
| Semi-major axis | 2.93 au |
| Perihelion – aphelion | 2.87 – 2.99 au |
| Eccentricity | 0.0200 |
| Inclination | 2.91° |
| Closest distance between its orbit and Earth's (MOID) | 1.88 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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