(21518) Maysunhasan Main-belt Asteroid
Discovered on 23 May 1998 by LINEAR at Socorro.
Maysun Mazhar Hasan (b. 1989) was awarded first place in the 2006 Intel International Science and Engineering Fair for her earth science team project. She attends the Francis Lewis High School, Fresh Meadows, New York, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Maysunhasan is today
Seen from above the solar system on 2026-10-14: Maysunhasan is 2.34 au from the Sun and 3.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21518 |
| Provisional designation | 1998 KO53 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.21 km (#10,227 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.342 |
| Absolute magnitude (H) | 13.46 |
| Orbital period | 4.18 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.33 – 2.86 au |
| Eccentricity | 0.102 |
| Inclination | 14.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.35 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 23 May 1998
- (12864) Ryandrake
- (18730) Wingip
- (18731) Vil'bakirov
- (19494) Gerbs
- (19495) Terentyeva
- (19500) Hillaryfultz
- (20366) Bonev
- (20367) Erikagibb
- (20382) Hiroshinaraoka
- (20383) Hirotakasawada
- (20384) Hongsuhyim
- (20385) Horiuchi