Minor Planet Bulletin
Additional Publication URL
Lightcurve analysis for (162421) 2000 ET70 was performed in collaboration with observers in Uruguay, Australia, and the United States from observations obtained during the asteroid’s favorable opposition in 2012. The synodic rotation period was found to be 8.947 ± 0.001 h and the lightcurve amplitude was 0.60 ± 0.07 mag.
Originally published in Minor Planet Bulletin.
Alvarez, Eduardo Manuel; Oey, Julian; Han, Xianming; Heffner, Orry R.; Kidd, Adam W.; Magnetta, Bradley J.; and Rastede, Frederick W., "PERIOD DETERMINATION FOR NEA (162421) 2000 ET70" Minor Planet Bulletin / (2012): 170-170.
Available at http://digitalcommons.butler.edu/facsch_papers/746