Photometric Observations of Seventeen Minor Planets

Lightcurves and synodic rotation periods are presented for 15 main-belt asteroids. Results are: 722 Frieda, 131.1 ± 0.2 h; 856 Backlunda, 11.965 ± 0.007 h; 1178 Irmela, 11.985 ± 0.004 h; 1199 Geldonia, 57.82 ± 0.21 h; 1397 Umtata, 240.6 ± 0.8 h; 1483 Hakoila, 239.1 ± 0.9 h; 1516 Henry, 17.599 ± 0.014 h; 1517 Beograd, 6.945 ± 0.014 h; 1558 Jarnefelt, 6.252 ± 0.003 h; 1914 Hartbeespoortdam, 6.330 ± 0.009 h; 2396 Kochi, 26.17 ± 0.11 h; 2433 Sootiyo, 7.234 ± 0.004 h; 2784 Domeyko, 6.025 ± 0.009 h; 3570 Wuyeesun, 15.432 ± 0.006 h; 5262 Brucegoldberg, 16.428 ± 0.008 h. No period solutions were found for 805 Hormuthia or 904 Rockefellia. All data were submitted to the ALCDEF database.