(20560) Nezic Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Rok Nežič (b. 1991) is a Slovenian scientist working at Armagh Observatory and Planetarium, Northern Ireland. He studies cometary dust with polarimetric techniques, which he began researching for his Ph.D. at Armagh Observatory and University College London. Rok is also a keen science communicator.Naming citation (WGSBN Bull. 6, #11, 27), IAU / Minor Planet Center, via NASA/JPL
Where Nezic is today
Seen from above the solar system on 2026-10-14: Nezic is 2.03 au from the Sun and 1.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20560 |
| Provisional designation | 1999 RX118 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.9 km (#4,611 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0590 |
| Rotation period | 462 hours |
| Absolute magnitude (H) | 13.84 |
| Orbital period | 4.43 years |
| Semi-major axis | 2.70 au |
| Perihelion – aphelion | 2.03 – 3.36 au |
| Eccentricity | 0.247 |
| Inclination | 12.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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