Patroclus
617 Patroclus (A906 UL)
🚀 Visited by spacecraft
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 140.362 km
- Rotation period
- 102.8 hours
- Albedo
- 0.047
- Absolute magnitude H
- 8.22 mag
- Spectral type (Tholen)
- P
Orbit
- Orbit class (JPL)
- TJN — Jupiter Trojan
- Semi-major axis
- 5.21 AU
- Eccentricity
- 0.139
- Inclination
- 22.1°
- Perihelion distance
- 4.48 AU
- Aphelion distance
- 5.93 AU
- Orbital period
- 4,340 days
- Perihelion passage
- JD 2460493.360
- Earth MOID
- 3.53 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 140 km across — 35.1% of the 400 km Seoul–Busan expressway.
- One orbit takes about 4,340 Earth days (about 11.9 years).
- Sunlight needs about 43 minutes to reach it on average (semi-major axis 5.2 AU) — versus about 8 min 19 s to Earth.
Worked out from this object's official values.