(20618) Daniebutler Main-belt Asteroid
Discovered on 29 September 1999 by LINEAR at Socorro.
Danielle Butler (b. 1986) was awarded first place in the 2004 Intel International Science and Engineering Fair for her biochemistry team project. She attends the Hilton Head Preparatory School, Hilton Head Island, South Carolina, U.S.A.Naming citation (20041226/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Daniebutler is today
Seen from above the solar system on 2026-10-14: Daniebutler is 2.12 au from the Sun and 1.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20618 |
| Provisional designation | 1999 SG7 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.65 |
| Orbital period | 3.86 years |
| Semi-major axis | 2.46 au |
| Perihelion – aphelion | 2.09 – 2.83 au |
| Eccentricity | 0.152 |
| Inclination | 7.11° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Danielle
All asteroids named after someone called Danielle
Also discovered on 29 September 1999
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- (20617) Richardgreenwood
- (21789) Frankwasser
- (21791) Mattweegman
- (21795) Masi
- (22889) Donnablaney
- (22890) Ruthaellis
- (33789) Sharmacam
- (121328) Devlynrfennell
- (121330) Colbygoodloe
- (121332) Jasonhair
- (129879) Tishasaltzman