(15986) Fienga Main-belt Asteroid
Discovered on 7 December 1998 by ODAS at Caussols.
Agnes Fienga (b. 1973) works at the Institut de Mécanique Céleste in Paris on the global adjustment of analytical theories of planetary motion to observations. She also worked on space navigation at CNES and JPL.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Fienga is today
Seen from above the solar system on 2026-10-14: Fienga is 2.49 au from the Sun and 3.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15986 |
| Provisional designation | 1998 XU1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.27 km (#7,345 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0530 |
| Absolute magnitude (H) | 14.9 |
| Orbital period | 4.42 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.08 – 3.31 au |
| Eccentricity | 0.229 |
| Inclination | 2.65° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Agnes
All asteroids named after someone called Agnes
Also discovered on 7 December 1998
- (14186) Virgiliofos
- (25301) Ambrofogar
- (47052) Guillaumefaury
- (47054) Jacquesblamont
- (56038) Jackmapanje
- (74371) Jeanduprat
- (74373) Theodoremonod
- (79847) Colzani
- (96591) Emiliemartin
- (101493) Sergiofoparri
- (297314) Ilterracottaio