(5649) Donnashirley Mars-crossing Asteroid
Discovered on 18 November 1990 by E. F. Helin at Palomar.
Where Donnashirley is today
Seen from above the solar system on 2026-10-14: Donnashirley is 2.94 au from the Sun and 3.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5649 |
| Provisional designation | 1990 WZ2 |
| Orbit class | Mars-crossing Asteroid |
| Diameter | 2.60 km (#16,064 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.380 |
| Spectral type | S |
| Absolute magnitude (H) | 14.88 |
| Orbital period | 3.44 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.51 – 3.05 au |
| Eccentricity | 0.336 |
| Inclination | 21.7° |
| Closest distance between its orbit and Earth's (MOID) | 0.624 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 18 November 1990
- (6318) Cronkite
- (9588) Quesnay
- (10093) Diesel
- (10325) Bexa
- (11511) Billknopf
- (12276) IJzer
- (14876) Dampier
- (15268) Wendelinefroger
- (15735) Andakerkhoven
- (19998) Binoche
- (23477) Wallenstadt
- (29193) Dolphyn