(17220) Johnpenna Main-belt Asteroid
Discovered on 2 February 2000 by LINEAR at Socorro.
Named in honor of John Penna for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. Penna is a teacher at the Governor Livingston High School, Berkeley Heights, New Jersey.Naming citation (20020227/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Johnpenna is today
Seen from above the solar system on 2026-10-14: Johnpenna is 1.95 au from the Sun and 1.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17220 |
| Provisional designation | 2000 CX26 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.67 km (#9,462 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Absolute magnitude (H) | 15.06 |
| Orbital period | 3.44 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.95 – 2.61 au |
| Eccentricity | 0.144 |
| Inclination | 2.69° |
| Closest distance between its orbit and Earth's (MOID) | 0.956 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called John
- (3882) Johncox
- (3893) DeLaeter
- (4089) Galbraith
- (4147) Lennon
- (4525) Johnbauer
- (4656) Huchra
- (4987) Flamsteed
- (5207) Hearnshaw
- (5216) Cannizzo
- (5362) Johnyoung
- (5517) Johnerogers
- (5558) Johnnapier
All asteroids named after someone called John
Also discovered on 2 February 2000
- (14277) Parsa
- (14278) Perrenot
- (14708) Slaven
- (15106) Swanson
- (15107) Toepperwein
- (15109) Wilber
- (16202) Srivastava
- (16203) Jessicastahl
- (17222) Perlmutter
- (17225) Alanschorn
- (20757) Veerlesterken
- (23153) Andrewnowell