(50553) Dilles Main-belt Asteroid
Discovered on 3 March 2000 by CSS at Catalina.
Shawn Dilles (b. 1960) is the Assistant Coordinator for the Publications Section of the Association of Lunar and Planetary Observers (ALPO) and Editor of The Strolling Astronomer, the journal of ALPO. He is also an author and historian living in Virginia.Naming citation (WGSBN Bull. 3, #5, 13), IAU / Minor Planet Center, via NASA/JPL
Where Dilles is today
Seen from above the solar system on 2026-10-14: Dilles is 2.75 au from the Sun and 3.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 50553 |
| Provisional designation | 2000 EL21 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.00 km (#15,228 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.375 |
| Absolute magnitude (H) | 14.7 |
| Orbital period | 4.33 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.38 – 2.93 au |
| Eccentricity | 0.103 |
| Inclination | 14.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Shawn
- (8642) Shawnkerry
- (10239) Hermann
- (11721) Shawnlowe
- (34102) Shawnzhang
- (34570) Shawnlim
- (90453) Shawnphillips
All asteroids named after someone called Shawn
Also discovered on 3 March 2000
- (14739) Edgarchavez
- (15544) Hushicheng
- (24439) Yanney
- (25832) Van Scoyoc
- (25835) Tomzega
- (26592) Maryrenfro
- (26593) Perrypat
- (27365) Henryfitz
- (27421) Nathanhan
- (27423) Dennisbowers
- (28542) Cespedes-Nano
- (28543) Solis-Gozar