(16135) Ivarsson Main-belt Asteroid
Discovered on 9 December 1999 by C. W. Juels at Fountain Hills.
Karl R. Ivarsson (b. 1939) was a vertical transportation specialist in Los Angeles for 37 years. He helped design and construct roll-off structures at the Fountain Hills Observatory in Arizona, where this minor planet was discovered.Naming citation (20010804/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ivarsson is today
Seen from above the solar system on 2026-10-14: Ivarsson is 2.50 au from the Sun and 2.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16135 |
| Provisional designation | 1999 XY104 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.23 km (#6,375 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0720 |
| Rotation period | 8.27 hours |
| Absolute magnitude (H) | 13.99 |
| Orbital period | 4.69 years |
| Semi-major axis | 2.80 au |
| Perihelion – aphelion | 2.36 – 3.24 au |
| Eccentricity | 0.158 |
| Inclination | 3.31° |
| Closest distance between its orbit and Earth's (MOID) | 1.35 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Karl
- (1690) Mayrhofer
- (4463) Marschwarzschild
- (5171) Augustesen
- (6059) Diefenbach
- (6597) Kreil
- (6712) Hornstein
- (10099) Glazebrook
- (11434) Lohnert
- (13816) Stulpner
- (13977) Frisch
- (14014) Munchhausen
- (14100) Weierstrass
All asteroids named after someone called Karl
Also discovered on 9 December 1999
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- (22032) Mikekoop
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