Polyxo
308 Polyxo (A891 FA)
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 128.578 km
- Rotation period
- 12.031 hours
- Albedo
- 0.047
- Absolute magnitude H
- 8.17 mag
- Spectral type (Tholen)
- T
- Spectral type (SMASS)
- T
Orbit
- Orbit class (JPL)
- MBA — Main-belt Asteroid
- Semi-major axis
- 2.75 AU
- Eccentricity
- 0.0382
- Inclination
- 4.36°
- Perihelion distance
- 2.64 AU
- Aphelion distance
- 2.85 AU
- Orbital period
- 1,660 days
- Perihelion passage
- JD 2460588.501
- Earth MOID
- 1.63 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 129 km across — 32.1% of the 400 km Seoul–Busan expressway.
- One orbit takes about 1,660 Earth days (about 4.5 years).
- Sunlight needs about 23 minutes to reach it on average (semi-major axis 2.8 AU) — versus about 8 min 19 s to Earth.
Worked out from this object's official values.