(19633) Rusjan Main-belt Asteroid
Discovered on 13 September 1999 by Crni Vrh at Crni Vrh.
Edvard Rusjan (1886-1911) was a pioneer Slovenian aircraft designer and pilot who performed his first fully controllable flight on 1909 Nov. 25 with an EDA I aircraft. He died after his aircraft crashed in Belgrade on 1911 Jan. 9.Naming citation (20070402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rusjan is today
Seen from above the solar system on 2026-10-14: Rusjan is 2.14 au from the Sun and 1.28 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19633 |
| Provisional designation | 1999 RX42 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.38 km (#11,873 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.277 |
| Rotation period | 3.32 hours |
| Absolute magnitude (H) | 14.09 |
| Orbital period | 3.82 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 1.81 – 3.08 au |
| Eccentricity | 0.260 |
| Inclination | 13.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.812 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 13 September 1999
- (12128) Palermiti
- (19631) Greensleeves
- (20522) Yogeshwar
- (20524) Bustersikes
- (28394) Mittag-Leffler
- (28396) Eymann
- (70401) Davidbishop