(117390) Stephanegendron Main-belt Asteroid
Discovered on 19 December 2004 by Mt. Lemmon Survey at Mount Lemmon.
Stephane Gendron (b. 1963) is Materials and Thermal Engineer at the Canadian Space Agency (CSA) and he acted as the CSA Thermal Engineer in the project OLA, a sophisticated Lidar instrument provided by CSA for the OSIRIS-REx Asteroid Sample Return Mission.Naming citation (MPC batch dated 2017-11-04), IAU / Minor Planet Center, via NASA/JPL
Where Stephanegendron is today
Seen from above the solar system on 2026-10-14: Stephanegendron is 3.56 au from the Sun and 2.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 117390 |
| Provisional designation | 2004 YK26 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.26 |
| Orbital period | 5.69 years |
| Semi-major axis | 3.19 au |
| Perihelion – aphelion | 2.79 – 3.58 au |
| Eccentricity | 0.125 |
| Inclination | 1.23° |
| Closest distance between its orbit and Earth's (MOID) | 1.78 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.