Galatea
74 Galatea (A862 QA)
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 118.71 km
- Rotation period
- 17.268 hours
- Albedo
- 0.0431
- Absolute magnitude H
- 8.9 mag
- Spectral type (Tholen)
- C
- Spectral type (SMASS)
- C
Orbit
- Orbit class (JPL)
- MBA — Main-belt Asteroid
- Semi-major axis
- 2.78 AU
- Eccentricity
- 0.238
- Inclination
- 4.07°
- Perihelion distance
- 2.12 AU
- Aphelion distance
- 3.44 AU
- Orbital period
- 1,690 days
- Perihelion passage
- JD 2460698.204
- Earth MOID
- 1.12 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 119 km across — 29.7% of the 400 km Seoul–Busan expressway.
- One orbit takes about 1,690 Earth days (about 4.6 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.