(17860) Roig Main-belt Asteroid
Discovered on 22 May 1998 by LONEOS at Anderson Mesa.
Fernando Roig (b. 1968), of the Observatório Nacional, Rio de Janeiro, is known for his results on the depletion of the Hecuba gap and as co-author of a method for computing proper elements for Jupiter Trojans.Naming citation (20050721/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Roig is today
Seen from above the solar system on 2026-10-14: Roig is 2.39 au from the Sun and 1.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17860 |
| Provisional designation | 1998 KQ4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.70 km (#13,457 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.295 |
| Rotation period | 2.96 hours |
| Absolute magnitude (H) | 14.42 |
| Orbital period | 3.39 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.87 – 2.64 au |
| Eccentricity | 0.170 |
| Inclination | 4.17° |
| Closest distance between its orbit and Earth's (MOID) | 0.859 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Fernando
- (17121) Fernandonido
- (20327) Fernandotinaut
- (44103) Aldana
- (72042) Dequeiroz
- (73533) Alonso
- (364577) Cachopito
All asteroids named after someone called Fernando
Also discovered on 22 May 1998
- (9466) Shishir
- (11187) Richoliver
- (11730) Yanhua
- (11735) Isabellecohen
- (12104) Chesley
- (12106) Menghuan
- (12107) Reneebarcia
- (12108) Jamesaustin
- (12529) Reighard
- (12530) Richardson
- (12860) Turney
- (12861) Wacker