Erminia
705 Erminia (A910 TE)
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 132.261 km
- Rotation period
- 53.68 hours
- Albedo
- 0.031
- Absolute magnitude H
- 8.47 mag
- Spectral type (Tholen)
- X
- Spectral type (SMASS)
- C
Orbit
- Orbit class (JPL)
- MBA — Main-belt Asteroid
- Semi-major axis
- 2.92 AU
- Eccentricity
- 0.0521
- Inclination
- 25°
- Perihelion distance
- 2.77 AU
- Aphelion distance
- 3.07 AU
- Orbital period
- 1,820 days
- Perihelion passage
- JD 2461314.068
- Earth MOID
- 1.86 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 132 km across — 33.1% of the 400 km Seoul–Busan expressway.
- One orbit takes about 1,820 Earth days (about 5 years).
- Sunlight needs about 24 minutes to reach it on average (semi-major axis 2.9 AU) — versus about 8 min 19 s to Earth.
Worked out from this object's official values.