[4] Edwin is a non-family asteroid from the main belt's background population.

[1] In the SMASS classification, Edwin is an Xe-subtype that transitions from the X-type to the very bright E-type asteroid[3] It has also been characterized as a metallic M-type asteroid by the Wide-field Infrared Survey Explorer (WISE).

[8] Since 2001, several rotational lightcurves of Edwin have been obtained from photometric observations by American William Koff at the Antelope Hills Observatory (H09) in Colorado,[9][a] Richard Ditteon at the Oakley Observatory in Indiana,[11] and French amateur astronomers Pierre Antonini, René Roy and Stéphane Charbonnel.

[10] Analysis of the best-rated lightcurve by Pierre Antonini from November 2006, gave a rotation period of 5.2906 hours with a brightness amplitude of 0.27 magnitude (U=3).

According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's WISE telescope, Edwin measures between 25.15 and 36.355 kilometers in diameter and its surface has an albedo between 0.1113 and 0.235.