(18805) Kellyday Main-belt Asteroid
Discovered on 12 May 1999 by LINEAR at Socorro.
Kelly Jean Day (b. 1984) was awarded third place in the 2003 Intel International Science and Engineering Fair for her environmental science team project. She attends the Mitchell High School, Mitchell, South Dakota, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kellyday is today
Seen from above the solar system on 2026-10-14: Kellyday is 2.17 au from the Sun and 1.83 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18805 |
| Provisional designation | 1999 JX77 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.03 km (#12,674 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.208 |
| Absolute magnitude (H) | 14.57 |
| Orbital period | 3.34 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 2.14 – 2.33 au |
| Eccentricity | 0.0427 |
| Inclination | 7.46° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Kelly
- (13341) Kellysweeney
- (23271) Kellychacon
- (27408) Kellyferguson
- (28643) Kellyzhang
- (28818) Kellyryan
- (30149) Kellyriedell
- (33917) Kellyoconnor
- (34444) Kellmcallister
- (115434) Kellyfast
- (333056) Bellamy
- (455207) Kellyyoder
All asteroids named after someone called Kelly
Also discovered on 12 May 1999
- (16059) Marybuda
- (16060) Dahliadry
- (17124) Rishavalera
- (17125) Vijayakumar
- (17126) Sophiawang
- (17127) Ryanwestcott
- (17131) Paulazhu
- (17138) Burgosrosario
- (17139) Malyshev
- (17140) Yangkevin
- (17141) Bhatia
- (17143) Andrewbrinton