It was discovered on 10 December 1991, by German astronomer Freimut Börngen at the Karl Schwarzschild Observatory in Tautenburg, Germany.

[6][9][10][a] Analysis of the best-rated lightcurve gave a rotation period of 4.27333 hours with a consolidated brightness amplitude between 0.40 and 0.58 magnitude (U=3).

[4] Published in 2014, a modeled lightcurve gave a period 4.273715 hours, as well as a two spin axes of (110.0°, −60.0°) and (290°, −60.0°) in ecliptic coordinates (λ, β).

[8] In 2017, modelling gave a period of 4.2737137 h and a single spin axis of (124°, −87.0°),[5] refining a previously published result of 4.27371 h and (4°, −76.0°).

[15] It is thought that this pair was created due to rotational fission (YORP effect) some 16340±40 years ago.