Here is the orbit of #asteroid #Didymos (turquoise) and the asteroids (yellow) @esa would like amateur astronomers to help observe in preparation for its #Hera mission.https://t.co/rScNqboTk9

More info here including a video description by @DrBrianMay.https://t.co/SdmEbZvqIY https://t.co/Ggqn6pDscY pic.twitter.com/fFEsz0IZUG

— Tony Dunn (@tony873004) November 28, 2019