(17638) Sualan Main-belt Asteroid
Discovered on 11 August 1996 by G. R. Viscome at Rand.
Sue and Alan French live in Scotia, New York. Both are avid amateur astronomers, telescope builders and writers who have for many years brought the wonders of astronomy to the public.Naming citation (20020921/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sualan is today
Seen from above the solar system on 2026-10-14: Sualan is 2.46 au from the Sun and 1.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17638 |
| Provisional designation | 1996 PB1 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 3.49 hours |
| Absolute magnitude (H) | 15.35 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.87 – 2.89 au |
| Eccentricity | 0.215 |
| Inclination | 2.07° |
| Closest distance between its orbit and Earth's (MOID) | 0.852 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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