(18434) Mikesandras Main-belt Asteroid
Discovered on 12 March 1994 by Shoemaker, C. S., Levy, D. H. at Palomar.
Michael Sandras (b. 1963) has almost single-handedly made the Kenner Planetarium and Observatory, near New Orleans, one of the foremost astronomy education facilities in the United States. A first-rate amateur astronomer, Sandras has also served as president of the Pontchartrain Astronomy Society for many years.Naming citation (20030501/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Mikesandras is today
Seen from above the solar system on 2026-10-14: Mikesandras is 2.98 au from the Sun and 2.19 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18434 |
| Provisional designation | 1994 EW7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.57 km (#11,483 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.368 |
| Rotation period | 2.94 hours |
| Absolute magnitude (H) | 13.66 |
| Orbital period | 3.83 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 1.89 – 3.01 au |
| Eccentricity | 0.229 |
| Inclination | 24.8° |
| Closest distance between its orbit and Earth's (MOID) | 0.922 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Michael
- (3192) A'Hearn
- (4477) Kelley
- (4599) Rowan
- (5373) Michaelkurtz
- (5554) Keesey
- (5569) Colby
- (6406) Mikejura
- (6569) Ondaatje
- (7738) Heyman
- (7936) Mikemagee
- (8032) Michaeladams
- (8129) Michaelbusch
All asteroids named after someone called Michael