Eros
433 Eros (A898 PA)
🚀 Visited by spacecraft
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 16.84 km
- Rotation period
- 5.27 hours
- Albedo
- 0.25
- Absolute magnitude H
- 10.4 mag
- Spectral type (Tholen)
- S
- Spectral type (SMASS)
- S
Orbit
- Orbit class (JPL)
- AMO — Amor
- Semi-major axis
- 1.46 AU
- Eccentricity
- 0.223
- Inclination
- 10.8°
- Perihelion distance
- 1.13 AU
- Aphelion distance
- 1.78 AU
- Orbital period
- 643 days
- Perihelion passage
- JD 2461088.813
- Earth MOID
- 0.149 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- Yes
In everyday life
- About 17 km across — 4.2% of the 400 km Seoul–Busan expressway.
- One orbit takes about 643 Earth days (about 1.8 years).
- Sunlight needs about 12 minutes to reach it on average (semi-major axis 1.5 AU) — versus about 8 min 19 s to Earth.