- Erik Prosperin
Erik Prosperin (
July 25 1739– April 4 1803) was a Swedish astronomer.He was lecturer in Mathematicsand Physicsat Uppsala Universityin 1767, professor of observational astronomy(Observator) in 1773–1796 and professor of Astronomy in 1797–1798. Member of the Royal Swedish Academy of Sciences(KVA) in Stockholmin 1771 and member of the Royal Society of Sciences in Uppsalain 1774 (secretary from 1786 onwards).
He was a famous calculator of
orbits: comets, planets and their satellites. He calculated the orbits of the new (discovered in 1781) planet Uranus —for which he proposed the names "Astraea", "Cybele", and "Neptune"— and its satellites. He was also one of the first to calculate the orbit of the first asteroid, 1 Ceres, in 1801.
Prosperin calculated orbits for a total of 84 comets, especially
Comet Messier(C/1769 P1), Comet Lexell(D/1770 L1)), the Great Comet of 1771(C/1771 A1, 1770 II), Comet Montaigne(C/1774 P1), Comet Bode(C/1779 A1), and Comet Encke(2P/1795 V1).
7292 Prosperinwas named in his honour.
* [http://runeberg.org/nfcb/0215.html Nordisk familjebok: Proskenion – Prosperin]
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