(176981) Anteradonic Main-belt Asteroid
Discovered on 11 December 2002 by Sloan Digital Sky Survey at Apache Point.
Ante Radonić (b. 1951) is an astronomer and a major contributor to the popularization of astronomy and astronautics in Croatia. For over two decades he has written for Andromeda, a weekly radio show.Naming citation (WGSBN Bull. 5, #22, 4), IAU / Minor Planet Center, via NASA/JPL
Where Anteradonic is today
Seen from above the solar system on 2026-10-14: Anteradonic is 3.29 au from the Sun and 2.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 176981 |
| Provisional designation | 2002 XJ116 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.65 |
| Orbital period | 5.22 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.61 – 3.41 au |
| Eccentricity | 0.132 |
| Inclination | 12.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.63 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.