(44613) Rudolf Main-belt Asteroid
Discovered on 8 September 1999 by Pravec, P., Kusnirak, P. at Ondrejov.
Rudolf II (1552-1612), of the Habsburg dynasty, was a Czech and Hungarian king and Roman emperor. He created an important center for arts and sciences in Prague, assembled a great artistic collection and employed Tycho Brahe and Johannes Kepler as his court astronomers.Naming citation (20031110/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rudolf is today
Seen from above the solar system on 2026-10-14: Rudolf is 2.46 au from the Sun and 1.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 44613 |
| Provisional designation | 1999 RU31 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.77 km (#13,274 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0940 |
| Absolute magnitude (H) | 15.63 |
| Orbital period | 3.77 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.36 – 2.48 au |
| Eccentricity | 0.0247 |
| Inclination | 7.82° |
| 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 8 September 1999
- (12580) Antonini
- (12581) Rovinj
- (13817) Genobechetti
- (16066) Richardbressler
- (16070) Charops
- (19629) Serra
- (19694) Dunkelman
- (19695) Billnye
- (20544) Kimhansell
- (20545) Karenhowell
- (20546) Michaelfruhauf
- (20547) Michimani