(1990) Pilcher Main-belt Asteroid

Discovered on 9 March 1956 by K. Reinmuth at Heidelberg.

Where Pilcher is today

MercuryVenusEarthEarthMarsMarsPilcherPilcher

Seen from above the solar system on 2026-10-14: Pilcher is 2.07 au from the Sun and 3.02 au from Earth. Computed from JPL's orbital elements.

Facts

Number1990
Provisional designation1956 EE
Orbit classMain-belt Asteroid
Diameter6.75 km (#7,933 largest of 17,440 named asteroids with a measured size)
Albedo0.215
Rotation period2.84 hours
Spectral typeS
Absolute magnitude (H)12.87
Orbital period3.21 years
Semi-major axis2.17 au
Perihelion – aphelion2.06 – 2.29 au
Eccentricity0.0515
Inclination3.13°
Closest distance between its orbit and Earth's (MOID)1.06 au

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

More named asteroids discovered by K. Reinmuth