پیش‌یابی

Also known as earliest precovery, pre-discovery recovery, pre-discovery, pre-discovery observation, pre-discovery detection

thumb|Jupiter's moon Valetudo (moon)|Valetudo was discovered in 2016, but a number of precovery images have been identified since, including this one taken on 28 February 2003 by the [[Canada–France–Hawaii Telescope, in which Valetudo's position is marked by the two orange bars.]]