The result of the July-September 2019 UAI campaign was published in Minor Planet Bulletin 47-1. five main-belt and one near-Earth asteroid were made in order to acquire lightcurves for shape/spin axis models. The synodic period and lightcurve amplitude were found for: 289 Nenetta, 6.916 ± 0.001 h, 0.19 mag; 472 Roma, 9.792 ± 0.002 h, 0.29 mag.; 635 Vundtia, 11.794 ± 0.002 h, 0.21 mag; 869 Mellena, 6.528 ± 0.008 h, 0.30 mag; 2131 Mayall, 2.5677 ± 0.0001 h, 0.08 mag; 2019 NN3, 0.03750 ± 0.00003 h, 0.98 mag. We also confirmed the binary nature of the asteroid 2131 Mayall.
MPB 47-1, pages 61-63
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