(21043) Pascalwillis Main-belt Asteroid

Discovered on 15 September 1990 by H. E. Holt at Palomar.

Pascal Willis (b. 1960) is a French geodesist who was vice-chair and chair of the COSPAR Technical Panel on Satellite Dynamics. In 2008, he started as Associate Editor of Advances in Space Research. As Editor-in-Chief since 2014, the impact factor of the journal doubled from 1.4 to 2.8.Naming citation (WGSBN Bull. 6, #13, 5), IAU / Minor Planet Center, via NASA/JPL

Where Pascalwillis is today

MercuryVenusEarthEarthMarsMarsPascalwillisPascalwillis

Seen from above the solar system on 2026-10-14: Pascalwillis is 2.38 au from the Sun and 1.81 au from Earth. Computed from JPL's orbital elements.

Facts

Number21043
Provisional designation1990 RT2
Orbit classMain-belt Asteroid
Diameter5.62 km (#9,530 largest of 17,440 named asteroids with a measured size)
Albedo0.267
Absolute magnitude (H)13.67
Orbital period4.44 years
Semi-major axis2.70 au
Perihelion – aphelion2.24 – 3.16 au
Eccentricity0.170
Inclination12.0°
Closest distance between its orbit and Earth's (MOID)1.24 au

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

Also named after someone called Pascal

Also discovered on 15 September 1990

More named asteroids discovered by H. E. Holt