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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 ...
Diagram of a comet showing the dust trail, ... Similarly, although the literal meaning of "non-periodic comet" is the same as "single-apparition comet", some use it ...
C/1864 N1 (Tempel) is a non-periodic comet discovered by Wilhelm Tempel on 5 July 1864. It was the first comet whose spectrum was analysed. Observational history
Periodic comets usually have elongated elliptical orbits, and usually return to the vicinity of the Sun after a number of decades. The official names of non-periodic comets begin with a "C"; the names of periodic comets begin with "P" or a number followed by "P". Comets that have been lost or disappeared have names with a "D". Comets whose ...
Pages in category "Non-periodic comets" The following 146 pages are in this category, out of 146 total. This list may not reflect recent changes. 0–9. C/574 G1;
C/2024 G3 (ATLAS) is a non-periodic comet, which will reach perihelion on 13 January 2025, at a distance of 0.09 AU from the Sun. It could become the brightest comet of 2025, [4] possibly exceeding apparent magnitude of −3.5. The comet is visible in the southern hemisphere before and after perihelion.
C/1961 O1 (Wilson–Hubbard) is a non-periodic comet discovered on 23 July 1961. The comet passed perihelion on 17 July, became visible in twilight on 23 July, having a long tail, and faded rapidly, becoming no longer visible with the naked eye after the first days of August.
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 ...