(6238) Septimaclark Main-belt Asteroid
Discovered on 2 July 1989 by E. F. Helin at Palomar.
Septima Poinsette Clark (1898-1987) was an American educator and civil rights activist. She played a key part of the American Civil Rights Movement, recognizing how literacy and education empowers marginalized groups.Naming citation (MPC batch dated 2019-12-12), IAU / Minor Planet Center, via NASA/JPL
Where Septimaclark is today
Seen from above the solar system on 2026-10-14: Septimaclark is 2.18 au from the Sun and 1.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6238 |
| Provisional designation | 1989 NM |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.77 km (#6,809 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.249 |
| Rotation period | 10.8 hours |
| Absolute magnitude (H) | 12.78 |
| Orbital period | 4.10 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.15 – 2.97 au |
| Eccentricity | 0.159 |
| Inclination | 8.36° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 July 1989
More named asteroids discovered by E. F. Helin
- (1982) Cline
- (2048) Dwornik
- (2050) Francis
- (2062) Aten
- (2074) Shoemaker
- (2083) Smither
- (2099) Opik
- (2100) Ra-Shalom
- (2128) Wetherill
- (2143) Jimarnold
- (2220) Hicks
- (2335) James
← (6237) Chikushi · (6239) Minos →