(339223) Stongemorin Main-belt Asteroid
Discovered on 13 October 2004 by Jarnac at Vail-Jarnac.
Gilbert St-Onge (b. 1955) and Lorraine Morin (b. 1944) are a Canadian amateur astronomical family with outreach and scientific contributions. They are star party organizers, founding members of CDADFS astronomy club and collaborators to other clubs. They are co-authors of refereed papers on the black drop effect and RY Tauri.Naming citation (MPC batch dated 2014-04-15), IAU / Minor Planet Center, via NASA/JPL
Where Stongemorin is today
Seen from above the solar system on 2026-10-14: Stongemorin is 3.09 au from the Sun and 4.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 339223 |
| Provisional designation | 2004 TN325 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.99 |
| Orbital period | 4.05 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 1.86 – 3.23 au |
| Eccentricity | 0.269 |
| Inclination | 4.03° |
| Closest distance between its orbit and Earth's (MOID) | 0.877 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Gilbert
All asteroids named after someone called Gilbert