(20330) Manwell Main-belt Asteroid

Discovered on 20 April 1998 by LINEAR at Socorro.

Anne Manwell mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Stuyvesant High School, New York, New York.Naming citation (20040415/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Manwell is today

MercuryVenusEarthEarthMarsMarsManwellManwell

Seen from above the solar system on 2026-10-14: Manwell is 2.60 au from the Sun and 1.65 au from Earth. Computed from JPL's orbital elements.

Facts

Number20330
Provisional designation1998 HY44
Orbit classMain-belt Asteroid
Diameter4.67 km (#11,294 largest of 17,440 named asteroids with a measured size)
Albedo0.0560
Absolute magnitude (H)14.93
Orbital period4.45 years
Semi-major axis2.70 au
Perihelion – aphelion2.50 – 2.91 au
Eccentricity0.0762
Inclination0.481°
Closest distance between its orbit and Earth's (MOID)1.48 au

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

Also named after someone called Anne

Also discovered on 20 April 1998

More named asteroids discovered by LINEAR