(281105) Dionneross Main-belt Asteroid
Discovered on 20 November 2006 by CSS at Catalina.
Dionne Leah Cozier Ross (b. 1981) is an American pediatrician. Born in Trinidad and Tobago, she was an undergraduate at Florida Memorial University then attended medical school at the University of the West Indies and the University of Kansas, graduating as top resident.Naming citation (WGSBN Bull. 4, #3, 9), IAU / Minor Planet Center, via NASA/JPL
Where Dionneross is today
Seen from above the solar system on 2026-10-14: Dionneross is 2.78 au from the Sun and 3.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 281105 |
| Provisional designation | 2006 WT198 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.43 km (#14,146 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.137 |
| Absolute magnitude (H) | 15.47 |
| Orbital period | 4.23 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.08 – 3.15 au |
| Eccentricity | 0.206 |
| Inclination | 13.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.