(28878) Segner Main-belt Asteroid
Discovered on 26 May 2000 by P. Kusnirak at Ondrejov.
In 1750 Slovak physicist and physician Ján Andrej Segner (1704-1777) constructed a simple-reaction waterwheel known as Segner's wheel, an invention significant for the development of early reaction water turbines. He was a member of many scientific societies and professor at universities of Jena, Göttingen and Halle.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Segner is today
Seen from above the solar system on 2026-10-14: Segner is 2.13 au from the Sun and 1.22 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28878 |
| Provisional designation | 2000 KL41 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.86 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.08 – 3.08 au |
| Eccentricity | 0.194 |
| Inclination | 0.392° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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