(12091) Jesmalmquist Main-belt Asteroid

Discovered on 21 April 1998 by LINEAR at Socorro.

Jessica Lea Malmquist (b. 1987) is a finalist in the 2002 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Olympia Junior High School, Salt Lake City, Utah, U.S.A.Naming citation (20020724/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Jesmalmquist is today

MercuryVenusEarthEarthMarsMarsJesmalmquistJesmalmquist

Seen from above the solar system on 2026-10-14: Jesmalmquist is 2.51 au from the Sun and 1.53 au from Earth. Computed from JPL's orbital elements.

Facts

Number12091
Provisional designation1998 HS96
Orbit classMain-belt Asteroid
Diameter3.44 km (#14,128 largest of 17,440 named asteroids with a measured size)
Albedo0.342
Rotation period59.6 hours
Absolute magnitude (H)14.39
Orbital period3.84 years
Semi-major axis2.45 au
Perihelion – aphelion2.19 – 2.72 au
Eccentricity0.107
Inclination5.87°
Closest distance between its orbit and Earth's (MOID)1.18 au

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

Also named after someone called Jessica

Also discovered on 21 April 1998

More named asteroids discovered by LINEAR