(20331) Bijemarks Main-belt Asteroid
Discovered on 20 April 1998 by LINEAR at Socorro.
Billie Jean Marks mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Crystal Springs Uplands School, Hillsborough, California.Naming citation (20040415/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Bijemarks is today
Seen from above the solar system on 2026-10-14: Bijemarks is 2.79 au from the Sun and 3.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20331 |
| Provisional designation | 1998 HH45 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.00 km (#5,758 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Absolute magnitude (H) | 13.98 |
| Orbital period | 4.58 years |
| Semi-major axis | 2.76 au |
| Perihelion – aphelion | 2.65 – 2.86 au |
| Eccentricity | 0.0376 |
| Inclination | 3.64° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Billie
All asteroids named after someone called Billie
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