(74025) Marquette Main-belt Asteroid
Discovered on 21 April 1998 by ODAS at Caussols.
Jean-Baptiste Marquette (b. 1956) is a retired French astrophysicist who worked in laboratory astrochemistry related to the synthesis of complex molecules in dense interstellar clouds, awarded by the CNRS bronze medal in 1985. He joined the EROS-2 and PLANET microlensing collaborations to probe the Galactic halo and to discover exoplanets.Naming citation (WGSBN Bull. 6, #15, 9), IAU / Minor Planet Center, via NASA/JPL
Where Marquette is today
Seen from above the solar system on 2026-10-14: Marquette is 2.51 au from the Sun and 1.56 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 74025 |
| Provisional designation | 1998 HA6 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.77 |
| Orbital period | 3.35 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.96 – 2.51 au |
| Eccentricity | 0.123 |
| Inclination | 7.36° |
| Closest distance between its orbit and Earth's (MOID) | 0.957 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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