(15971) Hestroffer Main-belt Asteroid
Discovered on 25 March 1998 by ODAS at Caussols.
Daniel Hestroffer (b. 1965) works at the Institut de Mécanique Céleste in Paris on the determination of an inertial frame from the Hipparcos observations of minor planets. He has also worked on the determination of the shapes of minor planets.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hestroffer is today
Seen from above the solar system on 2026-10-14: Hestroffer is 2.05 au from the Sun and 1.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15971 |
| Provisional designation | 1998 FA11 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.17 km (#14,770 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.133 |
| Absolute magnitude (H) | 15.41 |
| Orbital period | 3.37 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 1.82 – 2.68 au |
| Eccentricity | 0.190 |
| Inclination | 5.51° |
| Closest distance between its orbit and Earth's (MOID) | 0.815 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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