(6713) Coggie Main-belt Asteroid
Discovered on 21 May 1990 by E. F. Helin at Palomar.
Karin “Coggie” Peterson Messina (b. 1934) is a dedicated music teacher in Massachusetts who has taught over 600 students how to play the flute. She began to play at a young age and joined the Sharon Civic Orchestra in 1962. She was also the first flutist for the Brockton Symphony Orchestra for over 37 years.Naming citation (20030501/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Coggie is today
Seen from above the solar system on 2026-10-14: Coggie is 2.21 au from the Sun and 2.19 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6713 |
| Provisional designation | 1990 KM |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.39 km (#11,869 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.401 |
| Rotation period | 5.31 hours |
| Absolute magnitude (H) | 13.7 |
| Orbital period | 3.59 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.16 – 2.53 au |
| Eccentricity | 0.0793 |
| Inclination | 19.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.