(2100) Ra-Shalom Aten
Discovered on 10 September 1978 by E. F. Helin at Palomar.
Where Ra-Shalom is today
Seen from above the solar system on 2026-10-14: Ra-Shalom is 0.704 au from the Sun and 0.791 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2100 |
| Provisional designation | 1978 RA |
| Orbit class | Aten · near-Earth |
| Diameter | 2.30 km (#16,606 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.130 |
| Rotation period | 19.8 hours |
| Spectral type | C |
| Absolute magnitude (H) | 16.24 |
| Orbital period | 0.759 years |
| Semi-major axis | 0.832 au |
| Perihelion – aphelion | 0.469 – 1.20 au |
| Eccentricity | 0.436 |
| Inclination | 15.8° |
| Closest distance between its orbit and Earth's (MOID) | 0.150 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 10 September 1978
More named asteroids discovered by E. F. Helin
- (1982) Cline
- (2048) Dwornik
- (2050) Francis
- (2062) Aten
- (2074) Shoemaker
- (2083) Smither
- (2099) Opik
- (2128) Wetherill
- (2143) Jimarnold
- (2220) Hicks
- (2335) James
- (2645) Daphne Plane
← (2099) Opik · (2101) Adonis →