(13777) Cielobuio Main-belt Asteroid
Discovered on 20 October 1998 by Cavagna, M., Testa, A. at Sormano.
Cielobuio is the Italian association against light pollution. Cielobuio played a fundamental role in Lombardy to support the passage of a regional law, one of the most advanced in the world. Through its electronic mailing list, Cielobuio connects both amateur and professional astronomers.Naming citation (20001111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Cielobuio is today
Seen from above the solar system on 2026-10-14: Cielobuio is 3.21 au from the Sun and 4.12 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13777 |
| Provisional designation | 1998 UV6 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.69 km (#11,261 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.202 |
| Rotation period | 5.39 hours |
| Absolute magnitude (H) | 14.35 |
| Orbital period | 5.04 years |
| Semi-major axis | 2.94 au |
| Perihelion – aphelion | 2.67 – 3.21 au |
| Eccentricity | 0.0915 |
| Inclination | 1.09° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 October 1998
- (23944) Dusser
- (25237) Hurwitz
- (27086) Italicobrass
- (40233) Baradeau
- (47002) Harlingten
- (49265) Raphaeljimenez
- (79766) Aurorestephant