(10252) Heidigraf Main-belt Asteroid
Discovered on 26 March 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Heidi Graf (b. 1941), head of the ESA/ESTEC public relations office from 1977 to 2006 and an enthusiastic supporter of the Space Expo at Noordwijk, was always looking for new ways to draw the attention of the public to the wonders of astronautics and space science. The name was suggested by F. P. Israel.Naming citation (20061109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Heidigraf is today
Seen from above the solar system on 2026-10-14: Heidigraf is 2.77 au from the Sun and 1.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10252 |
| Provisional designation | 4164 T-1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.78 km (#9,248 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.331 |
| Absolute magnitude (H) | 13.53 |
| Orbital period | 4.82 years |
| Semi-major axis | 2.85 au |
| Perihelion – aphelion | 2.66 – 3.05 au |
| Eccentricity | 0.0686 |
| Inclination | 2.26° |
| Closest distance between its orbit and Earth's (MOID) | 1.64 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Heidi
All asteroids named after someone called Heidi
Also discovered on 26 March 1971
- (5195) Kaendler
- (5491) Kaulbach
- (5492) Thoma
- (5698) Nolde
- (6202) Georgemiley
- (6257) Thorvaldsen
- (6351) Neumann
- (6429) Brancusi
- (6674) Cezanne
- (6752) Ashley
- (7367) Giotto
- (7908) Zwingli