(12135) Terlingen Main-belt Asteroid
Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Dutch journalist Henk Terlingen (1941-1994) presented the Apollo moon missions on Dutch television. Since the 1960s, his broadcasts in collaboration with Chriet Titulaer promoted a great interest in astronomy and space science in the Netherlands. The name was suggested by C. E. Koppeschaar.Naming citation (20070926/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Terlingen is today
Seen from above the solar system on 2026-10-14: Terlingen is 3.23 au from the Sun and 3.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12135 |
| Provisional designation | 3021 P-L |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.4 km (#3,570 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0820 |
| Rotation period | 5.95 hours |
| Absolute magnitude (H) | 13.06 |
| Orbital period | 5.60 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.85 – 3.46 au |
| Eccentricity | 0.0968 |
| Inclination | 12.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.88 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Henk
All asteroids named after someone called Henk
Also discovered on 24 September 1960
- (1743) Schmidt
- (1744) Harriet
- (1776) Kuiper
- (1777) Gehrels
- (1795) Woltjer
- (1808) Bellerophon
- (1809) Prometheus
- (1810) Epimetheus
- (1811) Bruwer
- (1812) Gilgamesh
- (1846) Bengt
- (1868) Thersites