Died 1865-08-26.
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Johann Franz Encke
Johann Franz Encke was a German astronomer. Among his activities, he worked on the calculation of the periods of comets and asteroids, measured the distance from the Earth to the Sun, and made observations of the planet Saturn.
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science · German astronomer (1791–1865) · astronomer · university teacher · mathematician · also Johann Franz Encke, Encke
Born 23 September 1791 · Died 26 August 1865 · Q57294
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1865· 1 entry
1853· 1 entry
Awarded Bavarian Maximilian Order for Science and Art (1853).
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1849· 2 entries
Awarded Fellow of the American Academy of Arts and Sciences (1849).
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A mode of determining an elliptic orbit from three observations, and communicated to that body in 1851 a new method of calculating planetary perturbations by means of rectangular coordinates (republished in W
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1844· 1 entry
Encke became professor of astronomy at the University of Berlin
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1837· 1 entry
Encke described a broad variation in the brightness of the A Ring of Saturn
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1836· 1 entry
A member to the American Philosophical Society in 1839, and a Foreign Honorary Member of the American Academy of Arts and Sciences in 1849
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1830· 2 entries
Won Gold Medal of the Royal Astronomical Society (1830).
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Edited and greatly improved the Astronomisches Jahrbuch; and he issued four volumes of the Astronomische Beobachtungen auf der Sternwarte zu Berlin (Observations of the Berlin observatory, 1840–1857)
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1828· 1 entry
Won Royal Medal (1828).
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1827· 1 entry
“Gauss's Abstract of the Disquisitiones Generales circa Superficies Curvas presented to the Royal Society of Gottingen”
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1825· 3 entries
Awarded Fellow of the Royal Society (1825).
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Studied at Frederick William University Berlin, Doctor (1825).
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Was elected a Fellow of the Royal Society
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1824· 1 entry
And 1830, the recipient of the Gold Medal of the Royal Astronomical Society
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1822· 1 entry
Became director of the Seeberg observatory, and in 1825 was promoted to a corresponding position at Berlin, where a new observatory, built under his superintendence and with the support of Alexander von Humboldt and K
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1819· 1 entry
Awarded Lalande Prize (1819).
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1818· 1 entry
To be the same one already discovered by him in 1805, Encke began to calculate the orbital elements of this comet
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1816· 1 entry
Was at once appointed by Bernhardt von Lindenau as his assistant in the observatory of Seeberg near Gotha (he had become acquainted with von Lindenau during his military service)
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1814· 1 entry
Resumed his studies at the University, but after Napoleon's escape from Elba he returned to the military, serving until 1815 by which time he had become a lieutenant
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1813· 1 entry
Studied at University of Göttingen (1809–1813).
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1810· 1 entry
Studied at Gelehrtenschule des Johanneums (1808–1810).
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1791· 1 entry
Born 1791-09-23.
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