(545619) Lapuska Main-belt Asteroid
Discovered on 3 September 2011 by I. Eglitis K. Äernis at Baldone.
Kazimirs Lapuška (1936–2013) was a Latvian astronomer and a pioneering observer of artificial satellites in Latvia. He promoted photographic satellite observations and the development of satellite laser ranging at the Astronomical Observatory of the University of Latvia.Naming citation (WGSBN Bull. 6, #7, 6), IAU / Minor Planet Center, via NASA/JPL
Where Lapuska is today
Seen from above the solar system on 2026-10-14: Lapuska is 3.14 au from the Sun and 3.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 545619 |
| Provisional designation | 2011 SR47 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.0 |
| Orbital period | 5.33 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.59 – 3.51 au |
| Eccentricity | 0.151 |
| Inclination | 11.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.