Thia
405 Thia (A895 OB)
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 108.894 km
- Rotation period
- 9.95 hours
- Albedo
- 0.018
- Absolute magnitude H
- 8.79 mag
- Spectral type (Tholen)
- C
- Spectral type (SMASS)
- Ch
Orbit
- Orbit class (JPL)
- MBA — Main-belt Asteroid
- Semi-major axis
- 2.58 AU
- Eccentricity
- 0.243
- Inclination
- 11.9°
- Perihelion distance
- 1.96 AU
- Aphelion distance
- 3.21 AU
- Orbital period
- 1,520 days
- Perihelion passage
- JD 2461614.943
- Earth MOID
- 0.976 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 109 km across — 27.2% of the 400 km Seoul–Busan expressway.
- One orbit takes about 1,520 Earth days (about 4.2 years).
- Sunlight needs about 21 minutes to reach it on average (semi-major axis 2.6 AU) — versus about 8 min 19 s to Earth.
Worked out from this object's official values.