(20513) Lazio Main-belt Asteroid
Discovered on 10 September 1999 by Mallia, F., Masi, G. at Campo Catino.
Lazio is the Italian region containing Rome, the everlasting city. The Regione Lazio allowed the creation of Campo Catino Astronomical Observatory, where this minor planet was discovered. It was the first region in Italy that has approved a law against light pollution.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Lazio is today
Seen from above the solar system on 2026-10-14: Lazio is 2.68 au from the Sun and 3.65 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20513 |
| Provisional designation | 1999 RC34 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.61 km (#16,040 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.195 |
| Absolute magnitude (H) | 14.88 |
| Orbital period | 4.08 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.37 – 2.74 au |
| Eccentricity | 0.0734 |
| Inclination | 2.73° |
| Closest distance between its orbit and Earth's (MOID) | 1.36 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 10 September 1999
- (13395) Deconihout
- (20512) Rothenberg
- (22869) Brianmcfar
- (24000) Patrickdufour
- (25340) Segoves
- (38269) Gueymard
- (40436) Sylviecoyaud
- (59830) Reynek
- (66480) Riese
- (74625) Tieproject
- (96765) Poznanuni