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Comet Tago–Sato–Kosaka, formally designated as C/1969 T1, is a non-periodic comet that became visible in the naked eye between late 1969 and early 1970. [5] It was the first comet ever observed by an artificial satellite.
Comet Humason, formally designated C/1961 R1 (a.k.a. 1962 VIII and 1961e), was a non-periodic comet discovered by Milton L. Humason on September 1, 1961. Its perihelion was well beyond the orbit of Mars, at 2.133 AU. The outbound orbital period is about 2,516 years. The diameter of its comet nucleus is estimated at 30−41 km. [2]
This is a list of comets (bodies that travel in elliptical, parabolic, and sometimes hyperbolic orbits and display a tail behind them) listed by type. Comets are sorted into four categories: periodic comets (e.g. Halley's Comet), non-periodic comets (e.g. Comet Hale–Bopp), comets with no meaningful orbit (the Great Comet of 1106), and lost comets (), displayed as either P (periodic), C (non ...
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
Prefixes are then added to indicate the nature of the comet: P/ indicates a periodic comet, defined for these purposes as any comet with an orbital period of less than 200 years or confirmed observations at more than one perihelion passage. [5] C/ indicates a non-periodic comet i.e. any comet that is not periodic according to the preceding ...
Great Comet of 1472; C/1490 Y1; Great Comet of 1556; Great Comet of 1577; C/1618 W1; C/1652 Y1; Great Comet of 1680; C/1702 H1; Great Comet of 1744; C/1760 A1; C/1807 R1; Great Comet of 1811; Great Comet of 1819; Great Comet of 1823; C/1831 A1; C/1865 B1; Great Southern Comet of 1880; Great Southern Comet of 1887; Great Comet of 1901; Great ...
In comet nomenclature, the letter before the "/" is either "C" (a non-periodic comet), "P" (a periodic comet), "D" (a comet which has been lost or has disintegrated), "X" (a comet for which no reliable orbit could be calculated — usually historical comets), or "A" for an object that was mistakenly identified as a comet, but is a minor planet.
In comet nomenclature, the letter before the "/" is either "C" (a non-periodic comet), "P" (a periodic comet), "D" (a comet that has been lost or has disintegrated), "X" (a comet for which no reliable orbit could be calculated —usually historical comets), "I" for an interstellar object, or "A" for an object that was either mistakenly ...