(12155) Hyginus Main-belt Asteroid
Discovered on 26 March 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Gaius Julius Hyginus (c. 64 B.C.-A.D. 17), Roman historian, philologer and mythographer, presided over the Palatine Library in Rome. His De Astronomia (or Poeticon Astronomicon) gives a comprehensive overview of the myths associated with the constellations. The name was suggested by R. H. van Gent.Naming citation (20100527/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hyginus is today
Seen from above the solar system on 2026-10-14: Hyginus is 2.32 au from the Sun and 3.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12155 |
| Provisional designation | 4193 T-1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.36 km (#11,935 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.194 |
| Absolute magnitude (H) | 14.8 |
| Orbital period | 3.73 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 1.91 – 2.90 au |
| Eccentricity | 0.206 |
| Inclination | 3.10° |
| Closest distance between its orbit and Earth's (MOID) | 0.925 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 26 March 1971
- (5195) Kaendler
- (5491) Kaulbach
- (5492) Thoma
- (5698) Nolde
- (6202) Georgemiley
- (6257) Thorvaldsen
- (6351) Neumann
- (6429) Brancusi
- (6674) Cezanne
- (6752) Ashley
- (7367) Giotto
- (7908) Zwingli