This is a dark, carbonaceous body with a low albedo of 0.03 and is classified as a C-type asteroid in the Tholen taxonomy. It has an estimated cross-section of 44.2[2] km/s and is spinning with a rotation period of 19.7 hours.[3]
^ abPilcher, Frederick (January 2020). "Lightcurves and Rotation Periods of 33 Polyhymnia, 206 Hersilia, 395 Delia, 400 Ducrosa, 900 Rosalinde, and 1066 Lobelia". Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers. 47 (1): 34–36. Bibcode:2020MPBu...47...34P.