On the correctness of orbital solutions obtained from a small set of points. Orbit of HIP 53731

A. Mitrofanova, V. Dyachenko, A. Beskakotov +4

HIP 53731 is a binary consisting of stars of the spectral types K0 and K9. Orbit of this object was constructed previously by Cvetkovi'c et al. (2016) and improved by Tokovinin (20…