(13718) Welcker Main-belt Asteroid
Discovered on 17 August 1998 by LINEAR at Socorro.
Kelydra Elizabeth Welcker (b. 1989) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her environmental sciences project. She attends the Blennerhassett Junior High, Parkersburg, West Virginia.Naming citation (20021021/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Welcker is today
Seen from above the solar system on 2026-10-14: Welcker is 2.22 au from the Sun and 3.12 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13718 |
| Provisional designation | 1998 QR43 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.10 km (#16,925 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.277 |
| Absolute magnitude (H) | 15.56 |
| Orbital period | 3.27 years |
| Semi-major axis | 2.20 au |
| Perihelion – aphelion | 1.95 – 2.46 au |
| Eccentricity | 0.117 |
| Inclination | 4.94° |
| Closest distance between its orbit and Earth's (MOID) | 0.938 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 17 August 1998
- (9474) Cassadrury
- (9476) Vincenthuang
- (9477) Kefennell
- (10635) Chiragkumar
- (11189) Rabeaton
- (11369) Brazelton
- (11370) Nabrown
- (11371) Camley
- (11372) Aditisingh
- (11373) Carbonaro
- (11737) Gregneat
- (12545) Taniamurphy