(18755) Meduna Main-belt Asteroid
Discovered on 15 April 1999 by LINEAR at Socorro.
Matthew Paul Meduna (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for his computer science team project. He attends the UMS Wright Preparatory School, Mobile, Alabama, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Meduna is today
Seen from above the solar system on 2026-10-14: Meduna is 2.08 au from the Sun and 2.63 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18755 |
| Provisional designation | 1999 GS21 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.16 km (#16,827 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.314 |
| Absolute magnitude (H) | 14.73 |
| Orbital period | 3.38 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 2.07 – 2.43 au |
| Eccentricity | 0.0797 |
| Inclination | 7.09° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Matthew
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- (19763) Klimesh
All asteroids named after someone called Matthew
Also discovered on 15 April 1999
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