(29446) Gouguenheim Main-belt Asteroid
Discovered on 4 August 1997 by ODAS at Caussols.
Lucienne Gouguenheim (b. 1935) is a French radio astronomer at Meudon Observatory, who taught at Orsay University from 1962 to 2005. Observing the 21-cm line of galaxies, she helped reconcile the then-divergent values of the Hubble constant. She is a founding member of the Comité de Liaison Enseignants et Astronomes.Naming citation (MPC batch dated 2016-11-14), IAU / Minor Planet Center, via NASA/JPL
Where Gouguenheim is today
Seen from above the solar system on 2026-10-14: Gouguenheim is 1.96 au from the Sun and 1.82 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 29446 |
| Provisional designation | 1997 PX |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.91 |
| Orbital period | 3.52 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 1.96 – 2.67 au |
| Eccentricity | 0.154 |
| Inclination | 3.41° |
| Closest distance between its orbit and Earth's (MOID) | 0.974 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.