1993 SC
15789 (1993 SC)
📋 A written introduction is coming — for now this page shows official values only.
Physical data
- Diameter
- 328 km
- Albedo
- 0.022
- Absolute magnitude H
- 7.09 mag
Orbit
- Orbit class (JPL)
- TNO — TransNeptunian Object
- Semi-major axis
- 39.7 AU
- Eccentricity
- 0.184
- Inclination
- 5.16°
- Perihelion distance
- 32.4 AU
- Aphelion distance
- 47 AU
- Orbital period
- 91,300 days
- Perihelion passage
- JD 2441076.141
- Earth MOID
- 31.4 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- About 328 km across — 82% of the 400 km Seoul–Busan expressway.
- One orbit takes about 91,300 Earth days (about 250 years).
- Sunlight needs about 5.5 hours to reach it on average (semi-major axis 39.7 AU) — versus about 8 min 19 s to Earth.
Worked out from this object's official values.