(28353) Chrisnielsen Main-belt Asteroid
Discovered on 19 March 1999 by LINEAR at Socorro.
Christopher Stephen Nielsen (b. 1993) was awarded first place in the 2011 Intel International Science and Engineering Fair for his electrical and mechanical engineering project. He is home-schooled in Calgary, Alberta, Canada.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Chrisnielsen is today
Seen from above the solar system on 2026-10-14: Chrisnielsen is 1.85 au from the Sun and 2.25 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28353 |
| Provisional designation | 1999 FH32 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.25 km (#14,592 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.349 |
| Rotation period | 3.50 hours |
| Absolute magnitude (H) | 14.47 |
| Orbital period | 3.36 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.82 – 2.67 au |
| Eccentricity | 0.189 |
| Inclination | 3.47° |
| Closest distance between its orbit and Earth's (MOID) | 0.808 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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