(17889) Liechty Main-belt Asteroid
Discovered on 20 February 1999 by LINEAR at Socorro.
Anthony David Liechty (b. 1984) was awarded third place in the 2003 Intel International Science and Engineering Fair for his engineering project. He attends the Leo Junior-Senior High School, Leo, Indiana, U.S.A.Naming citation (20040614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Liechty is today
Seen from above the solar system on 2026-10-14: Liechty is 2.61 au from the Sun and 1.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17889 |
| Provisional designation | 1999 DH3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.49 km (#14,003 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.458 |
| Absolute magnitude (H) | 14.11 |
| Orbital period | 3.73 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 2.15 – 2.66 au |
| Eccentricity | 0.106 |
| Inclination | 4.64° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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