Eleonora
354 Eleonora (A893 BC)
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 148.97 km
- Rotation period
- 4.277 hours
- Albedo
- 0.201
- Absolute magnitude H
- 6.17 mag
- Spectral type (Tholen)
- S
- Spectral type (SMASS)
- Sl
Orbit
- Orbit class (JPL)
- MBA — Main-belt Asteroid
- Semi-major axis
- 2.8 AU
- Eccentricity
- 0.112
- Inclination
- 18.4°
- Perihelion distance
- 2.49 AU
- Aphelion distance
- 3.11 AU
- Orbital period
- 1,710 days
- Perihelion passage
- JD 2460447.198
- Earth MOID
- 1.5 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 149 km across — 37.2% of the 400 km Seoul–Busan expressway.
- One orbit takes about 1,710 Earth days (about 4.7 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.