(42183) Tubiana Main-belt Asteroid

Discovered on 2 February 2001 by LONEOS at Anderson Mesa.

Cecilia Tubiana (b. 1980) is a researcher at the Max Planck Institute for Solar System Research (Göttingen, Germany) who studies the nuclei and dust of comets. She played a core role in the operation of the OSIRIS cameras on the Rosetta mission and is now the payload coordinator for Comet Interceptor.Naming citation (WGSBN Bull. 1, #2, 23), IAU / Minor Planet Center, via NASA/JPL

Where Tubiana is today

MercuryVenusEarthEarthMarsMarsTubianaTubiana

Seen from above the solar system on 2026-10-14: Tubiana is 3.36 au from the Sun and 2.58 au from Earth. Computed from JPL's orbital elements.

Facts

Number42183
Provisional designation2001 CY29
Orbit classMain-belt Asteroid
Diameter5.95 km (#9,004 largest of 17,440 named asteroids with a measured size)
Albedo0.0790
Absolute magnitude (H)14.79
Orbital period5.63 years
Semi-major axis3.17 au
Perihelion – aphelion2.88 – 3.45 au
Eccentricity0.0893
Inclination6.20°
Closest distance between its orbit and Earth's (MOID)1.88 au

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

Also named after someone called Cecilia

Also discovered on 2 February 2001

More named asteroids discovered by LONEOS