(20218) Dukewriter Main-belt Asteroid
Discovered on 3 April 1997 by LINEAR at Socorro.
Duke Writer mentored a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors. He teaches at the Loudoun County Academy of Science, Sterling, Virginia.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Dukewriter is today
Seen from above the solar system on 2026-10-14: Dukewriter is 3.42 au from the Sun and 2.52 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20218 |
| Provisional designation | 1997 GT34 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.67 km (#9,453 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.115 |
| Rotation period | 4.99 hours |
| Absolute magnitude (H) | 14.44 |
| Orbital period | 5.30 years |
| Semi-major axis | 3.04 au |
| Perihelion – aphelion | 2.66 – 3.42 au |
| Eccentricity | 0.124 |
| Inclination | 0.892° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 3 April 1997
- (12047) Hideomitani
- (15890) Prachatice
- (20212) Ekbaltouma
- (20217) Kathyclemmer
- (21358) Mijerbarany
- (22480) Maedatoshihisa
- (22481) Zachlynn
- (22482) Michbertier
- (23679) Andrewmoore
- (23680) Kerryking
- (24927) Brianpalmer
- (24928) Susanbehel