(27961) Kostelecky Main-belt Asteroid
Discovered on 22 September 1997 by M. Tichy at Klet.
Jan Kostelecký (b. 1946) is a professor at the Faculty of Civil Engineering of the Czech Technical University in Prague. He deals with geodetic astronomy, space geodesy and geodynamics. He also served as the supervisor of both the master's and doctoral theses of the discoverer.Naming citation (MPC batch dated 2019-12-12), IAU / Minor Planet Center, via NASA/JPL
Where Kostelecky is today
Seen from above the solar system on 2026-10-14: Kostelecky is 2.22 au from the Sun and 1.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27961 |
| Provisional designation | 1997 SU1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.64 |
| Orbital period | 4.07 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.13 – 2.97 au |
| Eccentricity | 0.165 |
| Inclination | 2.32° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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