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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.
The source of the meteor shower are particles of dust shed by the long-period Comet C/1861 G1 Thatcher. [1] The April Lyrids are the strongest annual shower of meteors from debris of a long-period comet, mainly because as far as other intermediate long-period comets go (200–10,000 years), this one has a relatively short orbital period of ...
The long-term orbits of comets can be difficult to calculate due to errors in the known trajectory that can accumulate from perturbations from the planets. Even so, quite a few comets were lost because their orbits are also affected by non-gravitational effects such as the release of gas and other material that forms the comet's coma and tail.
The Lyrids are space dust from the comet Thatcher (C/1861 G1), which orbits the sun every 415 years. The comet was discovered in 1861, but the shower has been observed for more than 2,600 years.
Comet C/1861 G1 Thatcher’s dust trail creates the Lyrids. Considered an average shower at a peak rate of 20 meteors per hour, the shower will be visible from April 16–25 but the best views are ...
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.
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;
The comet faded rapidly and it was difficult to measure with the 36-inch telescope of Lick Observatory on 7 May. [6] The comet was found to have a similar orbit to comet C/1742 C1, [7] however comet Grigg–Mellish is intrinsically fainter than that comet. The comet's orbit passes very close to Earth, at a distance of 0.003 AU (0.45 million km ...