(5089) Nadherna Main-belt Asteroid

Discovered on 25 September 1979 by A. Mrkos at Klet.

Named in memory of Sidonie Nádherná (1885-1950), baroness of Borutín and author of The Chronicle of Vrchotovy Janovice. She created a splendid park around her château of Vrchotovy Janovice in central Bohemia and became widely known as a friend of German poet Rainer Maria Rilke and Austrian writer Karl Kraus. She died a resident of Great Britain. Name suggested by J. Ticha.Naming citation (19990402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Nadherna is today

Seen from above the solar system on 2026-10-14: Nadherna is 2.78 au from the Sun and 1.80 au from Earth. Computed from JPL's orbital elements.

Facts

Number	5089
Provisional designation	1979 SN
Orbit class	Main-belt Asteroid
Diameter	8.90 km (#5,827 largest of 17,440 named asteroids with a measured size)
Albedo	0.284
Rotation period	13.0 hours
Absolute magnitude (H)	12.7
Orbital period	4.67 years
Semi-major axis	2.79 au
Perihelion – aphelion	2.57 – 3.01 au
Eccentricity	0.0784
Inclination	13.0°
Closest distance between its orbit and Earth's (MOID)	1.61 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 25 September 1979

More named asteroids discovered by A. Mrkos

All 217

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