(66856) Stephenvoss Main-belt Asteroid
Discovered on 13 November 1999 by Griffin, I. P., Brady, N. at Lake Tekapo.
Stephen Voss (b. 1966) is a New Zealand-born general physician and noted amateur astronomer and astrophotographer. He founded the Aurora Australis Facebook page.Naming citation (WGSBN Bull. 1, #4, 7), IAU / Minor Planet Center, via NASA/JPL
Where Stephenvoss is today
Seen from above the solar system on 2026-10-14: Stephenvoss is 2.71 au from the Sun and 2.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 66856 |
| Provisional designation | 1999 VW22 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.56 km (#13,795 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.350 |
| Absolute magnitude (H) | 14.33 |
| Orbital period | 4.36 years |
| Semi-major axis | 2.67 au |
| Perihelion – aphelion | 2.62 – 2.72 au |
| Eccentricity | 0.0181 |
| Inclination | 15.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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