(8564) Anomalocaris Outer Main-belt Asteroid

Discovered on 17 October 1995 by Shimizu, Y., Urata, T. at Nachi-Katsuura.

Anomalocaris canadensis, a large carnivorous arthropod, was one of the many uniquely shaped multicellular creatures that appeared during the Cambrian explosion. The fossil was first discovered in the Burgess Shale in the Canadian Rocky Mountains. The name was suggested by I. Makino.Naming citation (WGSBN Bull. 2, #11, 5), IAU / Minor Planet Center, via NASA/JPL

Where Anomalocaris is today

MercuryVenusEarthEarthMarsMarsAnomalocarisAnomalocaris

Seen from above the solar system on 2026-10-14: Anomalocaris is 3.59 au from the Sun and 4.14 au from Earth. Computed from JPL's orbital elements.

Facts

Number8564
Provisional designation1995 UL3
Orbit classOuter Main-belt Asteroid
Diameter16.9 km (#2,704 largest of 17,440 named asteroids with a measured size)
Albedo0.0820
Rotation period20.3 hours
Absolute magnitude (H)12.95
Orbital period5.87 years
Semi-major axis3.25 au
Perihelion – aphelion2.87 – 3.64 au
Eccentricity0.120
Inclination12.3°
Closest distance between its orbit and Earth's (MOID)1.86 au

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

Also discovered on 17 October 1995

More named asteroids discovered by Shimizu, Y., Urata, T.