(121313) Tamsin Main-belt Asteroid
Discovered on 8 September 1999 by T. Pauwels at Uccle.
Belgian amateur astronomer Frank Tamsin (b. 1964) has been editor of the Belgian astronomical magazine Heelal since 1998. He is also the secretary general of the Flemish Amateur Astronomers Association and the public observatory Beisbroek in Bruges. The name was suggested by S. De Jonge, C. Steyaert and J. Meeus.Naming citation (20090409/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tamsin is today
Seen from above the solar system on 2026-10-14: Tamsin is 2.84 au from the Sun and 2.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121313 |
| Provisional designation | 1999 RF214 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.64 |
| Orbital period | 4.30 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 2.43 – 2.86 au |
| Eccentricity | 0.0813 |
| Inclination | 1.07° |
| Closest distance between its orbit and Earth's (MOID) | 1.41 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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