1 Sentences With "known backwards"

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Sometimes, discovered objects turn out to be a rediscovery of a previously lost minor planet. This can be determined by calculating the "new" object's orbit (once it is firmly known) backwards and checking its past positions against those previously recorded for the lost object. Nowadays these identities between two objects are found before they are numbered. In 1958, however, French astronomer André Patry at Nice Observatory found such identity between Mentha, , and the lost minor planet 864 Aase, , which had never been re-observed after its discovery by Max Wolf in 1917.