(6174) Polybius Main-belt Asteroid
Discovered on 4 October 1983 by N. G. Thomas at Anderson Mesa.
Where Polybius is today
Seen from above the solar system on 2026-10-14: Polybius is 2.77 au from the Sun and 1.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6174 |
| Provisional designation | 1983 TR2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 21.0 km (#2,079 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0760 |
| Rotation period | 8.71 hours |
| Absolute magnitude (H) | 12.01 |
| Orbital period | 5.34 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.38 – 3.72 au |
| Eccentricity | 0.219 |
| Inclination | 14.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.41 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.