(16801) Petrinpragensis Main-belt Asteroid
Discovered on 23 September 1997 by P. Pravec at Ondrejov.
Petřín is a memorable hill in the center of Prague. There is located the Štefánik Observatory, founded in 1928, the oldest active public observatory in the Czech Republic. Petřín is also a symbol of lovers and a place of beautiful gardens and a renowned rosarium.Naming citation (20010509/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Petrinpragensis is today
Seen from above the solar system on 2026-10-14: Petrinpragensis is 2.64 au from the Sun and 3.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16801 |
| Provisional designation | 1997 SC2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.54 km (#11,540 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0780 |
| Rotation period | 2.84 hours |
| Absolute magnitude (H) | 15.45 |
| Orbital period | 3.79 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.17 – 2.69 au |
| Eccentricity | 0.106 |
| Inclination | 3.17° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.