(201204) Stevewilliams Main-belt Asteroid
Discovered on 10 August 2002 by M. W. Buie at Cerro Tololo.
Stephen P. Williams (b. 1953) is a software engineer at the Johns Hopkins University Applied Physics Laboratory. He served as the Command and Data Handling Engineering Lead for the New Horizons Mission to Pluto.Naming citation (MPC batch dated 2018-05-29), IAU / Minor Planet Center, via NASA/JPL
Where Stevewilliams is today
Seen from above the solar system on 2026-10-14: Stevewilliams is 3.26 au from the Sun and 4.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 201204 |
| Provisional designation | 2002 PZ148 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.77 |
| Orbital period | 5.34 years |
| Semi-major axis | 3.06 au |
| Perihelion – aphelion | 2.85 – 3.26 au |
| Eccentricity | 0.0681 |
| Inclination | 1.61° |
| Closest distance between its orbit and Earth's (MOID) | 1.84 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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