(10954) Spiegel Main-belt Asteroid

Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Beate Spiegel (b. 1960) serves as head of the office of the Klaus Tschira Foundation. She was instrumental in supporting the project “Digitization of the Palomar-Leiden Survey and the T-n Trojan Surveys” of the van Houtens. The name was suggested by L. D. Schmadel.Naming citation (20060613/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Spiegel is today

MercuryVenusEarthEarthMarsMarsSpiegelSpiegel

Seen from above the solar system on 2026-10-14: Spiegel is 2.96 au from the Sun and 1.98 au from Earth. Computed from JPL's orbital elements.

Facts

Number10954
Provisional designation4545 P-L
Orbit classMain-belt Asteroid
Diameter5.33 km (#9,998 largest of 17,440 named asteroids with a measured size)
Albedo0.206
Rotation period5.29 hours
Absolute magnitude (H)14.02
Orbital period5.05 years
Semi-major axis2.95 au
Perihelion – aphelion2.85 – 3.04 au
Eccentricity0.0313
Inclination1.39°
Closest distance between its orbit and Earth's (MOID)1.84 au

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

Also named after someone called Beate

Also discovered on 24 September 1960

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.