(20326) Erard Main-belt Asteroid
Discovered on 20 April 1998 by LINEAR at Socorro.
Stéphane Erard (b. 1961) is a French astronomer at the Paris Observatory who has worked on the surface mineralogy of Mars, the Moon and asteroids. He was a co-investigator of instruments on Mars-Express, Venus-Express, Rosetta and BepiColombo. Stéphane is involved in including Solar System data in the Virtual Observatory.Naming citation (WGSBN Bull. 6, #11, 13), IAU / Minor Planet Center, via NASA/JPL
Where Erard is today
Seen from above the solar system on 2026-10-14: Erard is 2.11 au from the Sun and 1.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20326 |
| Provisional designation | 1998 HG37 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.32 km (#7,290 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.100 |
| Absolute magnitude (H) | 13.83 |
| Orbital period | 4.55 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.11 – 3.38 au |
| Eccentricity | 0.233 |
| Inclination | 12.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.12 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 April 1998
- (9461) Cotingkeh
- (9463) Criscione
- (11706) Rijeka
- (11710) Nataliehale
- (12086) Joshualevine
- (12087) Tiffanylin
- (12088) Macalintal
- (12089) Maichin
- (12514) Schommer
- (12516) Karenyoung
- (12855) Tewksbury
- (16944) Wangler