(31426) Davidlouapre Main-belt Asteroid
Discovered on 19 January 1999 by ODAS at Caussols.
David Louapre (b. 1978) is a French physicist whose thesis was on loop quantum gravity. Now working in industry, he is a very well-known French scientific YouTuber.Naming citation (MPC batch dated 2020-11-17), IAU / Minor Planet Center, via NASA/JPL
Where Davidlouapre is today
Seen from above the solar system on 2026-10-14: Davidlouapre is 2.17 au from the Sun and 1.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31426 |
| Provisional designation | 1999 BA5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.77 km (#13,286 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.197 |
| Absolute magnitude (H) | 14.7 |
| Orbital period | 3.64 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.15 – 2.58 au |
| Eccentricity | 0.0909 |
| Inclination | 1.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called David