(221908) Agastrophus Jupiter Trojan
Discovered on 21 August 2008 by P. Kocher at Marly.
In Homer's Iliad, Agastrophus was a Paionian hero, famed for his spear, who fought with the Trojans in the Trojan War and who was killed by Diomedes. Agastrophus was the son of Paeon and brother of Laophoon.Naming citation (20111210/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Agastrophus is today
Seen from above the solar system on 2026-10-14: Agastrophus is 5.38 au from the Sun and 6.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 221908 |
| Provisional designation | 2008 QQ |
| Orbit class | Jupiter Trojan |
| Absolute magnitude (H) | 12.89 |
| Orbital period | 11.6 years |
| Semi-major axis | 5.11 au |
| Perihelion – aphelion | 4.78 – 5.45 au |
| Eccentricity | 0.0653 |
| Inclination | 7.34° |
| Closest distance between its orbit and Earth's (MOID) | 3.79 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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