(20561) Noyelles Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Benoît Noyelles (b. 1978) is a French dynamicist. He took part in the determination of the origin of N2-rich comets, and of the Centaur Echeclus. Benoît is associated with the Classical and Large-a Solar System survey and works on the preparation of the scientific cases for binary TNOs to be observed by the MICADO instrument at the ELT.Naming citation (WGSBN Bull. 6, #11, 27), IAU / Minor Planet Center, via NASA/JPL
Where Noyelles is today
Seen from above the solar system on 2026-10-14: Noyelles is 2.13 au from the Sun and 2.52 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20561 |
| Provisional designation | 1999 RE120 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 4.55 hours |
| Absolute magnitude (H) | 14.96 |
| Orbital period | 3.22 years |
| Semi-major axis | 2.18 au |
| Perihelion – aphelion | 2.12 – 2.24 au |
| Eccentricity | 0.0293 |
| Inclination | 0.951° |
| Closest distance between its orbit and Earth's (MOID) | 1.12 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Benoit
All asteroids named after someone called Benoit
Also discovered on 9 September 1999
- (12127) Mamiya
- (12130) Mousa
- (12589) Davidanand
- (12590) Ballantine
- (12591) Bergey
- (12592) Brianchen
- (12593) Shashlov
- (12594) Sidorclare
- (12595) Amandashaw
- (12596) Shukla
- (12597) Williamdaniel
- (12598) Sierra
More named asteroids discovered by LINEAR
- (7904) Morrow
- (8744) Cilla
- (8745) Delaney
- (8954) Baral
- (9126) Samcoulson
- (9243) Alag
- (9454) Ardeishar
- (9458) Beaumont
- (9459) Gracecai
- (9461) Cotingkeh
- (9463) Criscione
- (9465) Fergusonsam
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