(12673) Kiselman Main-belt Asteroid
Discovered on 16 March 1980 by C.-I. Lagerkvist at La Silla.
Dan Kiselman (b. 1963) is a solar physicist, who was for many years the secretary of the Swedish Astronomical SocietyNaming citation (MPC batch dated 2016-03-23), IAU / Minor Planet Center, via NASA/JPL
Where Kiselman is today
Seen from above the solar system on 2026-10-14: Kiselman is 3.01 au from the Sun and 3.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12673 |
| Provisional designation | 1980 FH3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.84 km (#6,744 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.126 |
| Absolute magnitude (H) | 13.59 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.77 – 3.26 au |
| Eccentricity | 0.0819 |
| Inclination | 8.59° |
| Closest distance between its orbit and Earth's (MOID) | 1.79 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Dan
Also discovered on 16 March 1980
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