(171588) Naprstek Main-belt Asteroid
Discovered on 26 November 1999 by Ticha, J., Tichy, M. at Klet.
Vojta Náprstek (1826-1894) was a Czech philanthropist and advocate of progressive ideas. In 1865, after living in Wisconsin for a decade, he founded the American Club of Bohemian Women in Prague, offering lectures on various topics. He also co-founded the Czech Tourist Club in 1888.Naming citation (20120703/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Naprstek is today
Seen from above the solar system on 2026-10-14: Naprstek is 1.97 au from the Sun and 0.989 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 171588 |
| Provisional designation | 1999 WG1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.43 |
| Orbital period | 3.88 years |
| Semi-major axis | 2.47 au |
| Perihelion – aphelion | 1.97 – 2.96 au |
| Eccentricity | 0.201 |
| Inclination | 2.42° |
| Closest distance between its orbit and Earth's (MOID) | 0.971 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.