(5023) Agapenor Jupiter Trojan
Discovered on 11 October 1985 by Shoemaker, C. S., Shoemaker, E. M. at Palomar.
Where Agapenor is today
Seen from above the solar system on 2026-10-14: Agapenor is 5.37 au from the Sun and 6.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5023 |
| Provisional designation | 1985 TG3 |
| Orbit class | Jupiter Trojan |
| Diameter | 27.9 km (#1,492 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.173 |
| Rotation period | 5.40 hours |
| Absolute magnitude (H) | 10.43 |
| Orbital period | 11.7 years |
| Semi-major axis | 5.16 au |
| Perihelion – aphelion | 4.90 – 5.42 au |
| Eccentricity | 0.0508 |
| Inclination | 11.8° |
| Closest distance between its orbit and Earth's (MOID) | 3.93 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 11 October 1985
- (3640) Gostin
- (3793) Leonteus
- (4253) Marker
- (4892) Chrispollas
- (6543) Senna
- (12227) Penney
- (27706) Strogen