• Thumbnail for Comet Swift–Tuttle
    Comet SwiftTuttle (formally designated 109P/SwiftTuttle) is a large periodic comet with a 1995 (osculating) orbital period of 133 years that is in a...
    17 KB (1,434 words) - 23:02, 11 May 2025
  • Thumbnail for Perseids
    The Perseids are a prolific meteor shower associated with the comet SwiftTuttle that are usually visible from mid-July to late-August. The meteors are...
    26 KB (1,856 words) - 06:11, 10 April 2025
  • Thumbnail for 55P/Tempel–Tuttle
    55P/Tempel–Tuttle (commonly known as Comet Tempel–Tuttle) is a retrograde periodic comet with an orbital period of 33 years. It fits the classical definition...
    15 KB (1,332 words) - 14:25, 1 June 2025
  • Thumbnail for Lost comet
    predicted the 1992 return of the once-lost periodic comet SwiftTuttle. There are a number of reasons why a comet might be missed by astronomers during subsequent...
    15 KB (864 words) - 22:41, 28 May 2025
  • Thumbnail for Comet Swift
    reference to a comet he have co-discovered with other astronomers. These include: 11P/Tempel–Swift–LINEAR 64P/Swift–Gehrels 109P/SwiftTuttle C/1883 D1 (Brooks–Swift)...
    876 bytes (147 words) - 04:11, 8 January 2025
  • C/2001 OG108 (LONEOS) (category Halley-type comets)
    short-period comets with known diameters and perihelion inside the orbit of Earth, C/2001 OG108 is the second largest after Comet SwiftTuttle. Observations...
    8 KB (492 words) - 14:20, 1 June 2025
  • numerous comets, including 55P/Tempel-Tuttle (parent body of the Leonid meteor shower, discovered by Tuttle January 6, 1866), and 109P/Swift-Tuttle (parent...
    10 KB (1,215 words) - 02:06, 18 June 2025
  • long-period comets: C/1858 R1 (a.k.a. 1858 VII) C/1861 Y1 (a.k.a. 1861 III) A partial reference to these other comets: 109P/Swift-Tuttle (a.k.a. 109P/-68...
    886 bytes (202 words) - 22:03, 23 March 2016
  • Thumbnail for Lewis A. Swift
    Swift discovered or co-discovered a number of comets, including periodic comets 11P/Tempel-Swift-LINEAR, 64P/Swift-Gehrels, and 109P/Swift-Tuttle (parent...
    6 KB (644 words) - 16:44, 3 January 2025
  • Thumbnail for Leonids
    LEE-ə-nidz) are a prolific annual meteor shower associated with the comet Tempel–Tuttle, and are also known for their spectacular meteor storms that occur...
    52 KB (4,137 words) - 18:05, 15 February 2025
  • Browser for C/1999 U2 (SOHO) JPL Small-Body Database Browser for Comet SwiftTuttle JPL Small-Body Database Browser for C/2001 OG108 (Close approach uncertainty:...
    9 KB (1,044 words) - 18:00, 9 February 2025
  • Thumbnail for Comet
    passes through the orbit of Comet SwiftTuttle. Halley's Comet is the source of the Orionid shower in October. Many comets and asteroids collided with...
    145 KB (15,452 words) - 11:09, 17 June 2025
  • Thumbnail for Observational history of comets
    correctly hypothesized that the Perseids were fragments of Comet SwiftTuttle. The link between comets and meteor showers was dramatically underscored when...
    44 KB (5,869 words) - 09:56, 12 March 2025
  • Astro.ukho.gov.uk (May 3, 2011). Retrieved on January 19, 2014. "109P/Swift-Tuttle Orbit". Minor Planet Center. "Occultation – Mutual planetary transits...
    93 KB (4,013 words) - 09:31, 1 June 2025
  • Swift-Tuttle Halley Earth, Eros, Saltis, Mars, Sun, Mercury, Venus Jupiter Saturn and 5025 PL Uranus Neptune Pluto and Charon Ixion Eris Sedna Termination...
    25 KB (1,891 words) - 18:14, 17 June 2025
  • Thumbnail for Naming of comets
    dashes where possible. For example, Comet SwiftTuttle was found first by Lewis Swift and then by Horace Parnell Tuttle a few days later; the discoveries...
    14 KB (1,655 words) - 22:54, 10 August 2024
  • the 1992 return of the once-lost Comet Swift-Tuttle. In May 1993, Marsden concluded that the trajectory of Comet Shoemaker-Levy 9 would put it onto a course...
    12 KB (1,118 words) - 23:40, 14 August 2024
  • period for the novel (2109) was inspired by the contemporary view that Comet Swift-Tuttle had a high probability of impact with Earth in 2126. The Library Journal...
    11 KB (1,400 words) - 18:20, 23 January 2024
  • Thumbnail for C/1917 F1 (Mellish)
    C/1917 F1 (Mellish) (category Halley-type comets)
    definition of Halley-type comets, which have an orbital period between 20 and 200 years. Its orbital period is similar to comet Swift-Tuttle, the parent body of...
    7 KB (609 words) - 22:00, 23 May 2025
  • dust cloud Perseids, a prolific meteor shower associated with the comet Swift-Tuttle HMS Perseus, any of several ships of the Royal Navy USNS Perseus (T-AF-64)...
    3 KB (412 words) - 22:25, 28 November 2022
  • Thumbnail for Wilhelm Tempel
    He was a prolific discoverer of comets, discovering or co-discovering 21 in all, including Comet 55P/Tempel-Tuttle, now known to be the parent body of...
    4 KB (304 words) - 21:09, 7 June 2025
  • Thumbnail for Gary W. Kronk
    of comets has led to the linking of several comets to older apparitions. This includes linking periodic comet 109P/Swift-Tuttle to Chinese comets seen...
    5 KB (589 words) - 01:17, 16 April 2025
  • Thumbnail for Perseus (constellation)
    peaking in activity between 9 and 14 August each year. Associated with Comet SwiftTuttle, they have been observed for about 2,000 years. The September Epsilon...
    44 KB (5,137 words) - 09:06, 18 May 2025
  • numbered comets (1P–499P). There are 405 Jupiter-family comets (JFCs), 38 Encke-type comets (ETCs), 14 Halley-type comets (HTCs), five Chiron-type comets (CTCs)...
    111 KB (518 words) - 07:50, 16 June 2025
  • Thumbnail for 64P/Swift–Gehrels
    64P/Swift–Gehrels is a periodic comet in the Solar System which has a current orbital period of 9.23 years. It was originally discovered on 17 November...
    5 KB (334 words) - 17:33, 19 May 2025
  • (a.k.a. 1877 V, 1877f) A partial reference to either of these comets: 11P/Tempel-Swift-LINEAR (a.k.a. 11P/1869 W1, 1869 III, 1869c, 11P/1880 T1, 1880...
    1 KB (290 words) - 22:02, 23 March 2016
  • Thumbnail for Dust astronomy
    Schiaparelli concluded in 1866 that the Perseid meteors were fragments of Comet SwiftTuttle, based on their orbital similarities. The physical relation between...
    167 KB (19,514 words) - 17:34, 9 June 2025
  • Thumbnail for Comet nucleus
    (≈60 km), 29P (≈60 km), 109P/SwiftTuttle (≈26 km), and 28P/Neujmin (≈21 km). The potato-shaped nucleus of Halley's comet (15 × 8 × 8 km) contains equal...
    52 KB (5,376 words) - 22:58, 18 June 2025
  • Thumbnail for 54P/de Vico–Swift–NEAT
    54P/de Vico–Swift–NEAT is a periodic comet in the Solar System first discovered by Father Francesco de Vico (Rome, Italy) on 23 August 1844. It has become...
    9 KB (680 words) - 17:31, 19 May 2025
  • Thumbnail for Near-Earth object
    December 30, 2024[update], 123 such objects have been discovered. Comet 109P/SwiftTuttle, which is also the source of the Perseid meteor shower every year...
    165 KB (16,539 words) - 06:04, 2 June 2025