(6603) Marycragg Main-belt Asteroid
Discovered on 19 May 1990 by E. F. Helin at Palomar.
Mary A. Cragg (b. 1938) developed the Telescopes in Education (TIE) office infrastructure. It is used as a model for other remote educational telescope operations.Naming citation (20021120/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Marycragg is today
Seen from above the solar system on 2026-10-14: Marycragg is 3.18 au from the Sun and 2.28 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6603 |
| Provisional designation | 1990 KG |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.9 km (#4,637 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.124 |
| Absolute magnitude (H) | 13.41 |
| Orbital period | 4.31 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 2.11 – 3.19 au |
| Eccentricity | 0.205 |
| Inclination | 16.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Mary
- (4793) Slessor
- (5595) Roth
- (7091) Maryfields
- (7958) Leakey
- (9824) Marylea
- (10870) Gwendolen
- (11369) Brazelton
- (12590) Ballantine
- (12627) Maryedwards
- (12628) Acworthorr
- (13412) Guerrieri
- (15107) Toepperwein
All asteroids named after someone called Mary
More named asteroids discovered by E. F. Helin
- (1982) Cline
- (2048) Dwornik
- (2050) Francis
- (2062) Aten
- (2074) Shoemaker
- (2083) Smither
- (2099) Opik
- (2100) Ra-Shalom
- (2128) Wetherill
- (2143) Jimarnold
- (2220) Hicks
- (2335) James
← (6602) Gilclark · (6604) Ilias →