(4731) Monicagrady Main-belt Asteroid

Discovered on 1 March 1981 by S. J. Bus at Siding Spring.

Monica Grady (b. 1958), curator of the meteorite collection at the Natural History Museum in London, studies carbon isotopes in a wide range of meteorites with a focus on understanding the geologic processes leading to their formation. She is also actively involved in meteorite recovery efforts around the world.Naming citation (20001013/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Monicagrady is today

MercuryVenusEarthEarthMarsMarsMonicagradyMonicagrady

Seen from above the solar system on 2026-10-14: Monicagrady is 3.97 au from the Sun and 4.72 au from Earth. Computed from JPL's orbital elements.

Facts

Number4731
Provisional designation1981 EE9
Orbit classMain-belt Asteroid
Diameter10.1 km (#5,034 largest of 17,440 named asteroids with a measured size)
Albedo0.0400
Absolute magnitude (H)14.02
Orbital period5.49 years
Semi-major axis3.11 au
Perihelion – aphelion2.25 – 3.98 au
Eccentricity0.278
Inclination5.85°
Closest distance between its orbit and Earth's (MOID)1.26 au

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

Also named after someone called Monica

Also discovered on 1 March 1981

More named asteroids discovered by S. J. Bus