(10269) Tusi Main-belt Asteroid

Discovered on 24 September 1979 by N. S. Chernykh at Nauchnyj.

Nasir ad-Din at-Tusi Abu Djafar Mukhammed ibn Mukhammed (1201-1274) was an outstanding Azerbaijanian astronomer, mathematician and philosopher. He founded the Maraga Observatory, then the largest in the world.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Tusi is today

MercuryVenusEarthEarthMarsMarsTusiTusi

Seen from above the solar system on 2026-10-14: Tusi is 3.68 au from the Sun and 4.59 au from Earth. Computed from JPL's orbital elements.

Facts

Number10269
Provisional designation1979 SU11
Orbit classMain-belt Asteroid
Diameter15.7 km (#2,969 largest of 17,440 named asteroids with a measured size)
Albedo0.0600
Rotation period10.8 hours
Absolute magnitude (H)12.72
Orbital period5.56 years
Semi-major axis3.14 au
Perihelion – aphelion2.59 – 3.68 au
Eccentricity0.174
Inclination2.49°
Closest distance between its orbit and Earth's (MOID)1.59 au

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

Also discovered on 24 September 1979

More named asteroids discovered by N. S. Chernykh