(2163) Korczak Main-belt Asteroid

Discovered on 16 September 1971 by Crimean Astrophysical Observatory at Nauchnyj.

Named in memory of Janusz Korczak (1878-1942), Polish writer, teacher and doctor who perished with his 200 pupils at Treblinka.Naming citation (MPC 5284), IAU / Minor Planet Center, via NASA/JPL

Where Korczak is today

Seen from above the solar system on 2026-10-14: Korczak is 2.81 au from the Sun and 2.57 au from Earth. Computed from JPL's orbital elements.

Facts

Number	2163
Provisional designation	1971 SP1
Orbit class	Main-belt Asteroid
Diameter	24.4 km (#1,740 largest of 17,440 named asteroids with a measured size)
Albedo	0.0750
Rotation period	4.00 hours
Absolute magnitude (H)	11.95
Orbital period	5.59 years
Semi-major axis	3.15 au
Perihelion – aphelion	2.57 – 3.73 au
Eccentricity	0.184
Inclination	2.51°
Closest distance between its orbit and Earth's (MOID)	1.57 au

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

Also discovered on 16 September 1971

• (1892) Lucienne
• (1919) Clemence
• (2170) Byelorussia
• (4004) List'ev
• (11437) Cardalda

More named asteroids discovered by Crimean Astrophysical Observatory

• (2094) Magnitka
• (2170) Byelorussia
• (2406) Orelskaya
• (2698) Azerbajdzhan
• (2949) Kaverznev
• (4004) List'ev
• (4466) Abai
• (4916) Brumberg
• (4917) Yurilvovia
• (5706) Finkelstein
• (18284) Tsereteli
• (109573) Mishasmirnov

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