(90447) Emans Main-belt Asteroid
Discovered on 28 January 2004 by CSS at Catalina.
Mike Emans (b. 1944) is a Seattle-area retired computer operations manager formerly with the Department of Information Services for the state of Washington. He is also a semi-professional guitarist with a group called “Common Threads” that played in the Washington area.Naming citation (20090209/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Emans is today
Seen from above the solar system on 2026-10-14: Emans is 2.42 au from the Sun and 2.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 90447 |
| Provisional designation | 2004 BB109 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.19 |
| Orbital period | 3.53 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 2.06 – 2.58 au |
| Eccentricity | 0.112 |
| Inclination | 8.08° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Mike
- (9938) Kretlow
- (10789) Mikeread
- (12128) Palermiti
- (12666) Mikeauldridge
- (13745) Mikecosta
- (14065) Flegel
- (14428) Lazaridis
- (20020) Mipach
- (27336) Mikequinn
- (27400) Mikewong
- (27531) Sweaton
- (28682) Newhams
All asteroids named after someone called Mike