(17025) Pilachowski Main-belt Asteroid
Discovered on 13 March 1999 by R. A. Tucker at Goodricke-Pigott.
Caty Pilachowski (b. 1949) is a specialist in the study of stellar evolution and compositions, nucleosynthesis and astroseismology. A long-time member of the scientific staff of the National Optical Astronomy Observatories, she was recently elected to serve as president of the American Astronomical Society.Naming citation (20010804/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pilachowski is today
Seen from above the solar system on 2026-10-14: Pilachowski is 3.01 au from the Sun and 2.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17025 |
| Provisional designation | 1999 ES5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.97 km (#12,809 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.234 |
| Absolute magnitude (H) | 14.43 |
| Orbital period | 4.11 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.05 – 3.08 au |
| Eccentricity | 0.202 |
| Inclination | 7.40° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 13 March 1999
- (11201) Talich
- (11408) Zahradnik
- (28340) Yukihiro
- (28341) Bingaman
- (31556) Shatner
- (31557) Holleybakich
- (53252) Sardegna
- (53253) Zeiler
- (91275) Billsmith
- (101721) Emanuelfritsch
- (101723) Finger