(15955) Johannesgmunden Main-belt Asteroid
Discovered on 26 January 1998 by E. Meyer at Linz.
Johannes von Gmunden (1380/1384-1442), a priest, humanist, mathematician and astronomer at the University of Vienna, brought the mathematical and astronomical knowledge of Arabia to Europe. Known for his precise ephemerides, he also published the first printed calendar in German.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Johannesgmunden is today
Seen from above the solar system on 2026-10-14: Johannesgmunden is 2.69 au from the Sun and 3.68 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15955 |
| Provisional designation | 1998 BS13 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.94 km (#9,035 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.166 |
| Rotation period | 9.50 hours |
| Absolute magnitude (H) | 13.45 |
| Orbital period | 4.65 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.66 – 2.91 au |
| Eccentricity | 0.0443 |
| Inclination | 3.08° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Johannes
- (5703) Hevelius
- (7343) Ockeghem
- (10506) Rydberg
- (11245) Hansderijk
- (11681) Ortner
- (12134) Hansfriedeman
- (12617) Angelusilesius
- (13332) Benkhoff
- (14541) Sacrobosco
- (18032) Geiss
- (26355) Grueber
- (32606) Markkanen
All asteroids named after someone called Johannes