(15276) Diebel Main-belt Asteroid
Discovered on 14 April 1991 by Shoemaker, C. S., Levy, D. H. at Palomar.
John Diebel (b. 1943) is a lifelong amateur astronomer and telescope enthusiast. Thanks largely to his vision in making complex optics and computer electronics available to many, Diebel has made a significant contribution towards encouraging the public to enjoy the night sky.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Diebel is today
Seen from above the solar system on 2026-10-14: Diebel is 3.17 au from the Sun and 3.02 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15276 |
| Provisional designation | 1991 GA10 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.45 km (#7,150 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.383 |
| Rotation period | 13.3 hours |
| Absolute magnitude (H) | 12.72 |
| Orbital period | 4.62 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.29 – 3.26 au |
| Eccentricity | 0.175 |
| Inclination | 16.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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