(19663) Rykerwatts Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Ryker H. Watts (b. 1989) is a finalist in the 2003 Discovery Channel Young Scientist Challenge, a middle school science competition, for his biochemistry, medicine, health and microbiology project. He attends the Mountain Ridge Junior High School, Highland, Utah.Naming citation (20031010/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rykerwatts is today
Seen from above the solar system on 2026-10-14: Rykerwatts is 2.77 au from the Sun and 2.03 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19663 |
| Provisional designation | 1999 RU133 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.70 km (#11,233 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.201 |
| Rotation period | 3.78 hours |
| Absolute magnitude (H) | 14.49 |
| Orbital period | 4.50 years |
| Semi-major axis | 2.73 au |
| Perihelion – aphelion | 2.57 – 2.88 au |
| Eccentricity | 0.0567 |
| Inclination | 8.43° |
| Closest distance between its orbit and Earth's (MOID) | 1.60 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 9 September 1999
- (12127) Mamiya
- (12130) Mousa
- (12589) Davidanand
- (12590) Ballantine
- (12591) Bergey
- (12592) Brianchen
- (12593) Shashlov
- (12594) Sidorclare
- (12595) Amandashaw
- (12596) Shukla
- (12597) Williamdaniel
- (12598) Sierra
More named asteroids discovered by LINEAR
- (7904) Morrow
- (8744) Cilla
- (8745) Delaney
- (8954) Baral
- (9126) Samcoulson
- (9243) Alag
- (9454) Ardeishar
- (9458) Beaumont
- (9459) Gracecai
- (9461) Cotingkeh
- (9463) Criscione
- (9465) Fergusonsam
← (19662) Stunzi · (19664) Yancey →