(7272) Darbydyar Main-belt Asteroid

Discovered on 21 February 1980 by Z. Vavrova at Klet.

M. Darby Dyar (b. 1958) is a professor at Mount Holyoke College who specializes in Mössbauer spectroscopy of terrestrial and extraterrestrial material. Data from her laboratory have been vital for understanding Mössbauer measurements by the Mars Exploration Rovers.Naming citation (20070730/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Darbydyar is today

MercuryVenusEarthEarthMarsMarsDarbydyarDarbydyar

Seen from above the solar system on 2026-10-14: Darbydyar is 2.60 au from the Sun and 3.58 au from Earth. Computed from JPL's orbital elements.

Facts

Number7272
Provisional designation1980 DD1
Orbit classMain-belt Asteroid
Diameter8.04 km (#6,538 largest of 17,440 named asteroids with a measured size)
Albedo0.273
Rotation period30.3 hours
Absolute magnitude (H)12.75
Orbital period4.64 years
Semi-major axis2.78 au
Perihelion – aphelion2.51 – 3.06 au
Eccentricity0.0982
Inclination9.61°
Closest distance between its orbit and Earth's (MOID)1.50 au

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

Also named after someone called Darby

Also discovered on 21 February 1980

More named asteroids discovered by Z. Vavrova