(4830) Thomascooley Main-belt Asteroid
Discovered on 1 September 1988 by H. Debehogne at La Silla.
Thomas Benton Cooley (1871--1945) was an American hematologist and professor of hygiene and medicine at the University of Michigan and Wayne State University. He is remembered for his discovery of a form of childhood anemia that became known as Cooley's anemia, a severe form of thalassemia.Naming citation (MPC batch dated 2014-10-08), IAU / Minor Planet Center, via NASA/JPL
Where Thomascooley is today
Seen from above the solar system on 2026-10-14: Thomascooley is 2.51 au from the Sun and 1.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4830 |
| Provisional designation | 1988 RG4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.74 km (#9,311 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.371 |
| Rotation period | 32.6 hours |
| Absolute magnitude (H) | 13.38 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 2.23 – 2.56 au |
| Eccentricity | 0.0697 |
| Inclination | 6.41° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Thomas