(31874) Kosiarek Main-belt Asteroid

Discovered on 11 March 2000 by LONEOS at Anderson Mesa.

Molly Kosiarek (b. 1994) is an American astronomer. She is a 2021 Ph.D. graduate of University of California Santa Cruz, currently a Data Analyst, whose research includes photometric studies of Pluto's light curve and stellar activity for deriving exoplanet masses.Naming citation (WGSBN Bull. 3, #9, 20), IAU / Minor Planet Center, via NASA/JPL

Where Kosiarek is today

MercuryVenusEarthEarthMarsMarsKosiarekKosiarek

Seen from above the solar system on 2026-10-14: Kosiarek is 2.17 au from the Sun and 1.24 au from Earth. Computed from JPL's orbital elements.

Facts

Number31874
Provisional designation2000 EF135
Orbit classMain-belt Asteroid
Absolute magnitude (H)15.16
Orbital period3.56 years
Semi-major axis2.33 au
Perihelion – aphelion2.12 – 2.55 au
Eccentricity0.0920
Inclination4.33°
Closest distance between its orbit and Earth's (MOID)1.10 au

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

Also named after someone called Molly

Also discovered on 11 March 2000

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