(46270) Margaretlandis Outer Main-belt Asteroid
Discovered on 26 April 2001 by LONEOS at Anderson Mesa.
Margaret E. Landis (b. 1990) is an American scientist who studies the history of volatiles, especially water ice, in the solar system. Her work focuses on topics including the origin and fate of the Ceres water vapor exosphere. She advocates for robotic exploration of potentially icy objects, like (24) Themis.Naming citation (WGSBN Bull. 3, #9, 38), IAU / Minor Planet Center, via NASA/JPL
Where Margaretlandis is today
Seen from above the solar system on 2026-10-14: Margaretlandis is 2.85 au from the Sun and 1.88 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 46270 |
| Provisional designation | 2001 HW62 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 7.32 km (#7,289 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Absolute magnitude (H) | 14.16 |
| Orbital period | 5.79 years |
| Semi-major axis | 3.22 au |
| Perihelion – aphelion | 2.81 – 3.64 au |
| Eccentricity | 0.128 |
| Inclination | 1.91° |
| Closest distance between its orbit and Earth's (MOID) | 1.81 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Margaret
- (8353) Megryan
- (8632) Egleston
- (10739) Lowman
- (12317) Madicampbell
- (22038) Margarshain
- (22725) Drabble
- (37159) Margaretmead
- (49777) Cappi
- (50725) Margarethuggins
- (70030) Margaretmiller
- (117385) Maughan
- (119195) Margaretgreer
All asteroids named after someone called Margaret