(13721) Kevinwelsh Main-belt Asteroid
Discovered on 17 August 1998 by LINEAR at Socorro.
Kevin William Welsh (b. 1988) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his botany and zoology project. He attends the St. Peter Chanel Interparochial School, Paulina, Louisiana.Naming citation (20021021/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kevinwelsh is today
Seen from above the solar system on 2026-10-14: Kevinwelsh is 2.29 au from the Sun and 1.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13721 |
| Provisional designation | 1998 QX51 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.87 km (#17,169 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.606 |
| Absolute magnitude (H) | 15.22 |
| Orbital period | 3.47 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 2.15 – 2.44 au |
| Eccentricity | 0.0621 |
| Inclination | 4.98° |
| Closest distance between its orbit and Earth's (MOID) | 1.17 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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