(17489) Trenker Main-belt Asteroid
Discovered on 2 October 1991 by Borngen, F., Schmadel, L. D. at Tautenburg.
Luis Trenker (1892-1990), initially a herdsman, mountain guide and ski instructor in his South Tyrolese alpine homeland, later had great success as a scriptwriter, film director, screen actor and author. During 1928-1940 he lived in Berlin. His novels, which described and praised his native country, later became very popular.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Trenker is today
Seen from above the solar system on 2026-10-14: Trenker is 2.99 au from the Sun and 2.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17489 |
| Provisional designation | 1991 TS6 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.25 km (#14,604 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.420 |
| Absolute magnitude (H) | 14.31 |
| Orbital period | 4.46 years |
| Semi-major axis | 2.71 au |
| Perihelion – aphelion | 2.38 – 3.04 au |
| Eccentricity | 0.123 |
| Inclination | 11.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Luis
- (4725) Milone
- (5160) Camoes
- (11711) Urquiza
- (19395) Barrera
- (19595) Lafer-Sousa
- (20506) Mammana
- (20696) Torresduarte
- (29298) Cruls
- (780857) Rodes
All asteroids named after someone called Luis
Also discovered on 2 October 1991
- (6865) Dunkerley
- (8371) Goven
- (9351) Neumayer
- (17488) Mantl
- (20017) Alixcatherine
- (26842) Hefele
- (29214) Apitzsch
- (30851) Reissfelder
- (30852) Debye
- (48472) Mossbauer
- (69295) Stecklum
- (85198) Weltenburg