It was discovered on 31 August 1935, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany.
[12] Long-term numerical integrations suggest that Haremari is a trojan of Ceres, staying a 1:1 orbital resonance with the only dwarf planet of the asteroid belt.
[13]: 23 In November 2009, a rotational lightcurve of Haremari was obtained from photometric observations by Richard Durkee at the Shed of Science Observatory (H39).
[5][6][8][9][10] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.1097 and a diameter of 24.18 kilometers based on an absolute magnitude of 11.1.
[7] This minor planet jointly honors all the female staff members of the Astronomical Calculation Institute (Heidelberg University) (German: Astronomisches Rechen-Institut), commonly known as ARI.