(22857) Hyde Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Tammi Hyde mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Seabrook Intermediate School, Seabrook, Texas.Naming citation (20061009/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Hyde as a baby name🐶 Hyde as a dog name
Where Hyde is today
Seen from above the solar system on 2026-10-14: Hyde is 2.40 au from the Sun and 1.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22857 |
| Provisional designation | 1999 RJ143 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.5 |
| Orbital period | 3.38 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 1.97 – 2.53 au |
| Eccentricity | 0.124 |
| Inclination | 6.09° |
| Closest distance between its orbit and Earth's (MOID) | 0.991 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