(8999) Tashadunn Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Tasha L. Dunn (b. 1978) is a professor in the Department of Geology at Colby College. She develops techniques for determining mineral abundances and mafic silicate compositions from asteroid spectra, which she has applied to the study of near-Earth asteroids and their relationships to meteorites.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where Tashadunn is today
Seen from above the solar system on 2026-10-14: Tashadunn is 2.37 au from the Sun and 2.65 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8999 |
| Provisional designation | 1981 EJ28 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.31 km (#16,582 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.365 |
| Absolute magnitude (H) | 14.7 |
| Orbital period | 3.31 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 1.81 – 2.63 au |
| Eccentricity | 0.183 |
| Inclination | 1.88° |
| Closest distance between its orbit and Earth's (MOID) | 0.809 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
- (2990) Trimberger
- (3000) Leonardo
- (3121) Tamines
- (3122) Florence
- (3207) Spinrad
- (3252) Johnny
- (3304) Pearce
- (3524) Schulz