(28818) Kellyryan Main-belt Asteroid
Discovered on 6 May 2000 by LINEAR at Socorro.
Kelly Ryan mentored a finalist in the 2013 Broadcom MASTERS, a math and science competition for middle school students. She teaches at the Windemere Ranch Middle School, San Ramon, California.Naming citation (MPC batch dated 2013-09-19), IAU / Minor Planet Center, via NASA/JPL
Where Kellyryan is today
Seen from above the solar system on 2026-10-14: Kellyryan is 2.50 au from the Sun and 3.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28818 |
| Provisional designation | 2000 JQ20 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.85 km (#15,561 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.491 |
| Absolute magnitude (H) | 14.61 |
| Orbital period | 3.40 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.92 – 2.60 au |
| Eccentricity | 0.151 |
| Inclination | 5.34° |
| Closest distance between its orbit and Earth's (MOID) | 0.926 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Kelly
- (13341) Kellysweeney
- (18805) Kellyday
- (23271) Kellychacon
- (27408) Kellyferguson
- (28643) Kellyzhang
- (30149) Kellyriedell
- (33917) Kellyoconnor
- (34444) Kellmcallister
- (115434) Kellyfast
- (333056) Bellamy
- (455207) Kellyyoder
All asteroids named after someone called Kelly
Also discovered on 6 May 2000
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- (16258) Willhayes
- (16259) Housinger
- (16271) Duanenichols
- (16273) Oneill
- (16274) Pavlica
- (16275) Charlesma
- (17260) Kusnirak
- (17265) Debennett
- (18086) Emilykraft
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