(47219) Heatherkoehler Main-belt Asteroid

Discovered on 18 October 1999 by LONEOS at Anderson Mesa.

Heather Koehler (b. 1975) is an aerospace engineer at NASA’s Marshall Space Flight Center. She took the lead in developing NASA’s first generation of directional meteoroid models, used in the placement of shielding on many crewed and robotic spacecraft.Naming citation (WGSBN Bull. 1, #2, 25), IAU / Minor Planet Center, via NASA/JPL

Where Heatherkoehler is today

MercuryVenusEarthEarthMarsMarsHeatherkoehlerHeatherkoehler

Seen from above the solar system on 2026-10-14: Heatherkoehler is 2.52 au from the Sun and 1.83 au from Earth. Computed from JPL's orbital elements.

Facts

Number47219
Provisional designation1999 UU41
Orbit classMain-belt Asteroid
Diameter7.04 km (#7,606 largest of 17,440 named asteroids with a measured size)
Albedo0.278
Rotation period10.6 hours
Absolute magnitude (H)12.97
Orbital period4.05 years
Semi-major axis2.54 au
Perihelion – aphelion2.35 – 2.73 au
Eccentricity0.0759
Inclination13.9°
Closest distance between its orbit and Earth's (MOID)1.33 au

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

Also named after someone called Heather

Also discovered on 18 October 1999

More named asteroids discovered by LONEOS