(20415) Amandalu Main-belt Asteroid

Discovered on 14 September 1998 by LINEAR at Socorro.

Amanda Jane Lu (b. 1991) is a finalist in the 2004 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her biochemistry, medicine, health, and microbiology project. She attends the Robinson Middle School, Plano, Texas.Naming citation (20041028/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Amandalu is today

MercuryVenusEarthEarthMarsMarsAmandaluAmandalu

Seen from above the solar system on 2026-10-14: Amandalu is 2.43 au from the Sun and 2.83 au from Earth. Computed from JPL's orbital elements.

Facts

Number20415
Provisional designation1998 RL61
Orbit classMain-belt Asteroid
Diameter3.26 km (#14,584 largest of 17,440 named asteroids with a measured size)
Albedo0.166
Absolute magnitude (H)14.97
Orbital period3.34 years
Semi-major axis2.23 au
Perihelion – aphelion1.93 – 2.54 au
Eccentricity0.136
Inclination5.25°
Closest distance between its orbit and Earth's (MOID)0.923 au

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

Also named after someone called Amanda

Also discovered on 14 September 1998

More named asteroids discovered by LINEAR