(15819) Alisterling Main-belt Asteroid
Discovered on 28 September 1994 by Spacewatch at Kitt Peak.
Alister Ling (b. 1962) is a meteorologist with Environment Canada. An amateur astronomer who is a skilled observer and writer, he contributes a regular feature to Astronomy magazine and won the Simon Newcomb Award in 2003. The name was suggested by R. Jedicke and P. Jedicke.Naming citation (20050523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Alisterling is today
Seen from above the solar system on 2026-10-14: Alisterling is 1.96 au from the Sun and 1.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15819 |
| Provisional designation | 1994 SN9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.07 km (#15,050 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.392 |
| Absolute magnitude (H) | 14.53 |
| Orbital period | 3.23 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 1.94 – 2.44 au |
| Eccentricity | 0.114 |
| Inclination | 6.83° |
| Closest distance between its orbit and Earth's (MOID) | 0.931 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.