(16742) Zink Main-belt Asteroid
Discovered on 21 July 1996 by Ticha, J., Tichy, M. at Klet.
Johann Josef Zink (1842-1920) was a publisher who issued postcards and guides in South Bohemia. Interested in astronomy, he was a prolific amateur who drew planets and comets. His astronomical instruments and diaries were placed at the Ceske Budejovice Observatory in 1937.Naming citation (MPC batch dated 2015-02-03), IAU / Minor Planet Center, via NASA/JPL
Where Zink is today
Seen from above the solar system on 2026-10-14: Zink is 2.15 au from the Sun and 1.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16742 |
| Provisional designation | 1996 ON |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.42 km (#11,796 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0430 |
| Absolute magnitude (H) | 15.78 |
| Orbital period | 3.69 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.79 – 2.98 au |
| Eccentricity | 0.249 |
| Inclination | 3.82° |
| Closest distance between its orbit and Earth's (MOID) | 0.786 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Johann
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- (5195) Kaendler
- (6734) Benzenberg
- (7449) Dollen
- (8158) Herder
- (8203) Jogolehmann
- (8368) Lamont
- (8583) Froberger
- (9052) Uhland
- (9134) Encke
- (10749) Musaus
- (11673) Baur
All asteroids named after someone called Johann