(5283) Pyrrhus Jupiter Trojan
Discovered on 31 January 1989 by C. S. Shoemaker at Palomar.
Where Pyrrhus is today
Seen from above the solar system on 2026-10-14: Pyrrhus is 5.66 au from the Sun and 6.63 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5283 |
| Provisional designation | 1989 BW |
| Orbit class | Jupiter Trojan |
| Diameter | 48.4 km (#782 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.100 |
| Rotation period | 7.33 hours |
| Absolute magnitude (H) | 9.79 |
| Orbital period | 11.9 years |
| Semi-major axis | 5.20 au |
| Perihelion – aphelion | 4.42 – 5.98 au |
| Eccentricity | 0.150 |
| Inclination | 17.5° |
| Closest distance between its orbit and Earth's (MOID) | 3.43 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.