(199991) Adriencoffinet Main-belt Asteroid
Discovered on 9 May 2007 by Mt. Lemmon Survey at Mount Lemmon.
Adrien Coffinet (b. 1990) is a French astronomer and science journalist. He earned his PhD in astronomy at the Université de Genève specializing in exoplanets. He has written for several science publications, and he is currently a journalist for Futura-Sciences.Naming citation (WGSBN Bull. 2, #3, 7), IAU / Minor Planet Center, via NASA/JPL
Where Adriencoffinet is today
Seen from above the solar system on 2026-10-14: Adriencoffinet is 2.83 au from the Sun and 3.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 199991 |
| Provisional designation | 2007 JX24 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.3 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.26 – 2.92 au |
| Eccentricity | 0.127 |
| Inclination | 0.774° |
| Closest distance between its orbit and Earth's (MOID) | 1.25 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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