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The comet passed about 0.335 AU (50.1 million km; 31.1 million mi) from the Earth on 5 May 1861 and last came to perihelion (closest approach to the Sun) on 3 June 1861. [ 3 ] C/1861 G1 is listed as a long-period "non-periodic comet" because it has not yet been observed at two perihelion passages.
This list may not reflect recent changes. ... Comet Swift–Tuttle; T. C/1861 G1 (Thatcher) V.
The Great Comet of 1861, formally designated C/1861 J1 and 1861 II, is a long-period comet that was visible to the naked eye for approximately 3 months. [6] It was categorized as a great comet —one of the eight greatest comets of the 19th century.
This category contains near-Earth comets.In general, numbered objects in this category should be sorted using a sortkey based on their numerical prefix (0-padded-three-digits plus single letter, see order in List of numbered comets), for example:
The comet was discovered on May 1, 1846, by Theodor Brorsen. He described it as a large round nebulosity without tail. An independent discovery was done later the same day by Moritz Ludwig George Wichmann. The comet upon discovery was near the border of the constellations Pegasus and Vulpecula. The comet approached Earth at a distance of 0.302 ...
1 non-periodic comet. 2 comments. Toggle the table of contents. Talk: C/1861 G1 (Thatcher) Add languages. Page contents not supported in other languages. Article; Talk;
Comet Donati–van Arsdale, formally designated as C/1857 V1, is a parabolic comet co-discovered by Giovanni Battista Donati and Robert van Arsdale a few hours apart on 10 November 1857. [ 4 ] [ 5 ] It was calculated to have a retrograde trajectory around the Sun. [ 1 ] [ 6 ]
Comet Donati–Toussaint, formally designated as C/1864 O1, is a non-periodic comet co-discovered by Italian astronomers, Giovanni Battista Donati and Carlo Toussaint in July 1864. Discovery and observations