Merapi
536 Merapi (A904 JF)
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 147.066 km
- Rotation period
- 8.791 hours
- Albedo
- 0.048
- Absolute magnitude H
- 8.12 mag
- Spectral type (Tholen)
- X
Orbit
- Orbit class (JPL)
- OMB — Outer Main-belt Asteroid
- Semi-major axis
- 3.51 AU
- Eccentricity
- 0.091
- Inclination
- 19.4°
- Perihelion distance
- 3.19 AU
- Aphelion distance
- 3.83 AU
- Orbital period
- 2,400 days
- Perihelion passage
- JD 2460385.806
- Earth MOID
- 2.24 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 147 km across — 36.8% of the 400 km Seoul–Busan expressway.
- One orbit takes about 2,400 Earth days (about 6.6 years).
- Sunlight needs about 29 minutes to reach it on average (semi-major axis 3.5 AU) — versus about 8 min 19 s to Earth.
Worked out from this object's official values.