Eugenia
45 Eugenia (A857 MA)
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 202.327 km
- Rotation period
- 5.699 hours
- Albedo
- 0.045
- Absolute magnitude H
- 7.74 mag
- Spectral type (Tholen)
- FC
- Spectral type (SMASS)
- C
Orbit
- Orbit class (JPL)
- MBA — Main-belt Asteroid
- Semi-major axis
- 2.72 AU
- Eccentricity
- 0.0814
- Inclination
- 6.61°
- Perihelion distance
- 2.5 AU
- Aphelion distance
- 2.94 AU
- Orbital period
- 1,640 days
- Perihelion passage
- JD 2461699.735
- Earth MOID
- 1.5 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 202 km across — 50.6% of the 400 km Seoul–Busan expressway.
- One orbit takes about 1,640 Earth days (about 4.5 years).
- Sunlight needs about 23 minutes to reach it on average (semi-major axis 2.7 AU) — versus about 8 min 19 s to Earth.
Worked out from this object's official values.