(10647) Meesters Main-belt Asteroid
Discovered on 25 September 1960 by van Houten, C. J., van Houten-Groeneveld, I. at Palomar.
P. G. Meesters (1887–1964) is the Nestor of amateur astronomy in the Netherlands. He built his own observatory and was an active observer of variable stars. His book Mijn Sterrenwacht, Speurtochten langs het Firmament (My Observatory, Exploring the Skies) is still known by amateurs.Naming citation (WGSBN Bull. 3, #15, 6), IAU / Minor Planet Center, via NASA/JPL
Where Meesters is today
Seen from above the solar system on 2026-10-14: Meesters is 3.08 au from the Sun and 2.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10647 |
| Provisional designation | 3074 P-L |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.4 |
| Orbital period | 5.12 years |
| Semi-major axis | 2.97 au |
| Perihelion – aphelion | 2.83 – 3.12 au |
| Eccentricity | 0.0484 |
| Inclination | 9.46° |
| Closest distance between its orbit and Earth's (MOID) | 1.83 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.