(6541) Yuan Main-belt Asteroid

Discovered on 26 February 1984 by H. Debehogne at La Silla.

Dah-Ning Yuan (b. 1956), a senior scientist at the Jet Propulsion Laboratory, has been a key contributor to the determination of the earth's gravity field using the ultra precise spacecraft-to-spacecraft ranging data from the twin GRACE spacecraft.Naming citation (20100130/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Yuan is today

MercuryVenusEarthEarthMarsMarsYuanYuan

Seen from above the solar system on 2026-10-14: Yuan is 3.25 au from the Sun and 2.25 au from Earth. Computed from JPL's orbital elements.

Facts

Number6541
Provisional designation1984 DY
Orbit classMain-belt Asteroid
Diameter14.3 km (#3,315 largest of 17,440 named asteroids with a measured size)
Albedo0.0720
Absolute magnitude (H)12.95
Orbital period5.53 years
Semi-major axis3.13 au
Perihelion – aphelion2.67 – 3.58 au
Eccentricity0.145
Inclination0.707°
Closest distance between its orbit and Earth's (MOID)1.69 au

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

Also named after someone called Ning

Also discovered on 26 February 1984

More named asteroids discovered by H. Debehogne