(29437) Marchais Main-belt Asteroid
Discovered on 7 June 1997 by A. Klotz at Castres.
French amateur astronomer Denis Marchais (b. 1976) spent a large part of his time writing the free astronomical software named AudeLA that drives telescopes and CCD cameras.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Marchais is today
Seen from above the solar system on 2026-10-14: Marchais is 2.17 au from the Sun and 1.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 29437 |
| Provisional designation | 1997 LG1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.52 km (#11,595 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.104 |
| Absolute magnitude (H) | 15.14 |
| Orbital period | 3.54 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 1.78 – 2.86 au |
| Eccentricity | 0.234 |
| Inclination | 10.4° |
| Closest distance between its orbit and Earth's (MOID) | 0.765 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Denis
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- (12874) Poisson
- (17139) Malyshev
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- (69839) Denishuber
- (79849) Denismourard
- (184315) Denisbogan
- (295472) Puy
- (597469) Denisleahy
All asteroids named after someone called Denis