(27217) Mattieharrington Main-belt Asteroid
Discovered on 14 February 1999 by LONEOS at Anderson Mesa.
Mattie Harrington (b. 1964) is Lowell Observatory's Executive Assistant to the Sole Trustee, the Director, and the development team. She also oversees the donor stewardship program, manages donor events, and assists with grant writing. She previously served as Science Staff Assistant.Naming citation (WGSBN Bull. 1, #5, 8), IAU / Minor Planet Center, via NASA/JPL
Where Mattieharrington is today
Seen from above the solar system on 2026-10-14: Mattieharrington is 3.01 au from the Sun and 3.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27217 |
| Provisional designation | 1999 CC154 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.72 km (#7,968 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.267 |
| Absolute magnitude (H) | 13.07 |
| Orbital period | 5.21 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.76 – 3.25 au |
| Eccentricity | 0.0813 |
| Inclination | 1.94° |
| Closest distance between its orbit and Earth's (MOID) | 1.76 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 14 February 1999
- (20433) Prestinenza
- (28331) Dianeberard
- (31450) Stevepreston
- (31453) Arnaudthiry
- (42795) Derekmuller
- (49500) Ishitoshi
- (59248) Genevievesoucail