(21744) Meliselinger Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Melissa C. Selinger (b. 1987) was awarded second place in the 2005 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Wellington High School, Wellington, Florida, U.S.A.Naming citation (20050822/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Meliselinger is today
Seen from above the solar system on 2026-10-14: Meliselinger is 2.79 au from the Sun and 1.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21744 |
| Provisional designation | 1999 RF168 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.76 km (#15,732 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.279 |
| Absolute magnitude (H) | 15.15 |
| Orbital period | 3.76 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 1.98 – 2.85 au |
| Eccentricity | 0.180 |
| Inclination | 2.34° |
| Closest distance between its orbit and Earth's (MOID) | 0.969 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Melissa
- (5626) Melissabrucker
- (8626) Melissarauch
- (13308) Melissamayne
- (14584) Lawson
- (15624) Lamberton
- (17928) Neuwirth
- (20534) Bozeman
- (21919) Luga
- (23176) Missacarvell
- (26334) Melimcdowell
- (28788) Hayes-Gehrke
- (28976) Sevigny
All asteroids named after someone called Melissa
Also discovered on 9 September 1999
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- (12130) Mousa
- (12589) Davidanand
- (12590) Ballantine
- (12591) Bergey
- (12592) Brianchen
- (12593) Shashlov
- (12594) Sidorclare
- (12595) Amandashaw
- (12596) Shukla
- (12597) Williamdaniel
- (12598) Sierra