(74317) Marionbonafous Main-belt Asteroid
Discovered on 21 October 1998 by ODAS at Caussols.
Marion Bonafous (b. 1986) is a French engineer at the Laboratory of Instrumentation and Research in Astrophysics of Paris Observatory. She contributed to the development of several space instruments, including the SuperCam IR spectrometer on board the Perseverance rover and she participated on the development of MIRS imaging spectrometer for the MMX mission.Naming citation (WGSBN Bull. 6, #15, 10), IAU / Minor Planet Center, via NASA/JPL
Where Marionbonafous is today
Seen from above the solar system on 2026-10-14: Marionbonafous is 2.74 au from the Sun and 3.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 74317 |
| Provisional designation | 1998 UZ15 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.04 |
| Orbital period | 4.28 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.40 – 2.88 au |
| Eccentricity | 0.0906 |
| Inclination | 1.66° |
| Closest distance between its orbit and Earth's (MOID) | 1.39 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.