(6690) Messick Main-belt Asteroid
Discovered on 25 September 1981 by B. A. Skiff at Anderson Mesa.
Hank H. Messick (b. 1955) first taught the discoverer the constellations.Naming citation (19990928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Messick is today
Seen from above the solar system on 2026-10-14: Messick is 2.56 au from the Sun and 2.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6690 |
| Provisional designation | 1981 SY1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.98 km (#12,776 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.486 |
| Absolute magnitude (H) | 13.67 |
| Orbital period | 3.40 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.91 – 2.61 au |
| Eccentricity | 0.154 |
| Inclination | 3.76° |
| Closest distance between its orbit and Earth's (MOID) | 0.896 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 25 September 1981
More named asteroids discovered by B. A. Skiff
- (2525) O'Steen
- (2588) Flavia
- (2864) Soderblom
- (2881) Meiden
- (3140) Stellafane
- (3153) Lincoln
- (3154) Grant
- (3155) Lee
- (3325) TARDIS
- (3434) Hurless
- (3505) Byrd
- (3617) Eicher
← (6689) Floss · (6691) Trussoni →