(16856) Banach Main-belt Asteroid
Discovered on 28 December 1997 by P. G. Comba at Prescott.
Stefan Banach (1892-1945) was a Polish mathematician and professor at the University of Lvov. His major contributions were in functional analysis, particularly the theory of complete normed linear spaces, now generally known as Banach spaces.Naming citation (WGSBN Bull. 2, #15, 6), IAU / Minor Planet Center, via NASA/JPL
Where Banach is today
Seen from above the solar system on 2026-10-14: Banach is 2.40 au from the Sun and 2.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16856 |
| Provisional designation | 1997 YE8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.91 km (#15,416 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.250 |
| Absolute magnitude (H) | 14.94 |
| Orbital period | 3.80 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.04 – 2.83 au |
| Eccentricity | 0.162 |
| Inclination | 7.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Stefan
- (20614) Renner
- (24147) Stefanmuller
- (25151) Stefanschroder
- (27975) Mazurkiewicz
- (33329) Stefanwan
- (43813) Kuhner
- (129807) Stefanodougherty
- (132798) Kurti
- (154865) Stefanheutz
- (182592) Jolana
- (213800) Stefanwul
- (378917) Stefankarge
All asteroids named after someone called Stefan