(21445) Pegconnolly Main-belt Asteroid
Discovered on 18 April 1998 by LINEAR at Socorro.
Peggy Connolly mentored a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Illinois Mathematics and Science Academy, Aurora, Illinois.Naming citation (20050224/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pegconnolly is today
Seen from above the solar system on 2026-10-14: Pegconnolly is 2.60 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21445 |
| Provisional designation | 1998 HG17 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.13 km (#14,901 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.301 |
| Absolute magnitude (H) | 14.62 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.84 – 2.72 au |
| Eccentricity | 0.194 |
| Inclination | 5.53° |
| Closest distance between its orbit and Earth's (MOID) | 0.844 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Peggy
All asteroids named after someone called Peggy
Also discovered on 18 April 1998
- (11184) Postma
- (11707) Grigery
- (11708) Kathyfries
- (12085) Susanmoore
- (19461) Feingold
- (20321) Lightdonovan
- (20351) Kaborchardt
- (21446) Tedflint
- (21447) Yungchieh
- (22561) Miviscardi
- (22562) Wage
- (22563) Xinwang