(155142) Tenagra Main-belt Asteroid
Discovered on 26 October 2005 by J.-C. Merlin at Nogales.
Tenagra was a mythical island in an episode of Star Trek. It is an exploration of how far people can go in the spirit of cooperation.Naming citation (20070730/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tenagra is today
Seen from above the solar system on 2026-10-14: Tenagra is 2.87 au from the Sun and 3.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 155142 |
| Provisional designation | 2005 UD4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.67 |
| Orbital period | 4.59 years |
| Semi-major axis | 2.76 au |
| Perihelion – aphelion | 2.52 – 3.00 au |
| Eccentricity | 0.0870 |
| Inclination | 0.0765° |
| Closest distance between its orbit and Earth's (MOID) | 1.52 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.