(2990) Trimberger Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Where Trimberger is today
Seen from above the solar system on 2026-10-14: Trimberger is 2.17 au from the Sun and 3.02 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2990 |
| Provisional designation | 1981 EN27 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.8 km (#4,660 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0550 |
| Rotation period | 7.79 hours |
| Absolute magnitude (H) | 13.93 |
| Orbital period | 3.81 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.14 – 2.74 au |
| Eccentricity | 0.123 |
| Inclination | 2.81° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 March 1981
- (2884) Reddish
- (2919) Dali
- (2980) Cameron
- (2981) Chagall
- (3000) Leonardo
- (3121) Tamines
- (3122) Florence
- (3207) Spinrad
- (3252) Johnny
- (3304) Pearce
- (3524) Schulz
- (3528) Counselman
More named asteroids discovered by S. J. Bus
- (2285) Ron Helin
- (2780) Monnig
- (2791) Paradise
- (2884) Reddish
- (2919) Dali
- (2980) Cameron
- (2981) Chagall
- (3000) Leonardo
- (3029) Sanders
- (3030) Vehrenberg
- (3042) Zelinsky
- (3058) Delmary
← (2989) Imago · (2991) Bilbo →