(27253) Graceleanor Main-belt Asteroid
Discovered on 6 December 1999 by LINEAR at Socorro.
Grace Eleanor Phillips (b. 1993) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for her plant-sciences project. She attends the Mamaroneck High School, Mamaroneck, New York, U.S.A.Naming citation (20110319/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Graceleanor is today
Seen from above the solar system on 2026-10-14: Graceleanor is 2.11 au from the Sun and 3.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27253 |
| Provisional designation | 1999 XC28 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.34 km (#11,970 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0540 |
| Absolute magnitude (H) | 15.88 |
| Orbital period | 3.69 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 2.06 – 2.72 au |
| Eccentricity | 0.137 |
| Inclination | 1.80° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Grace
- (5773) Hopper
- (9341) Gracekelly
- (9459) Gracecai
- (19428) Gracehsu
- (23179) Niedermeyer
- (33573) Hugrace
- (34268) Gracetian
- (50739) Gracecook
All asteroids named after someone called Grace
Also discovered on 6 December 1999
- (13840) Wayneanderson
- (13841) Blankenship
- (13843) Cowenbrown
- (14224) Gaede
- (14678) Pinney
- (16113) Ahmed
- (16114) Alyono
- (16116) Balakrishnan
- (16117) Herbst
- (16142) Leung
- (20713) Sheward
- (21990) Garretyazzie