8P/Tuttle


8P/Tuttle
8P/Tuttle
Comet 8P/Tuttle
Discovery
Discovered by: Horace Parnell Tuttle
Discovery date: January 5, 1858
Alternate designations: 1790 II; 1858 I; 1871 III;
1885 IV; 1899 III; 1912 IV;
1926 IV; 1939 X; 1967 V;
1980 XIII; 1994 XV
Orbital characteristics A
Epoch: January 15, 2008
Aphelion distance: 10.376340 AU
Perihelion distance: 1.027132 AU
Semi-major axis: 5.701737 AU
Eccentricity: 0.819856
Orbital period: 13.6 a
Inclination: 54.9830°
Last perihelion: January 27, 2008
Next perihelion: August 27, 2021 [1]

8P/Tuttle (also known as Tuttle's Comet or Comet Tuttle) is a periodic comet in our solar system. Perihelion was late January 2008, and as of February was visible telescopically to Southern Hemisphere observers in the constellation Eridanus. On December 30, 2007 it was in close conjunction with spiral galaxy M33. On January 2, 2008 it passed Earth at a distance of 0.25 AU.

Comet 8P/Tuttle is responsible for the Ursid meteor shower in late December.[2]

Predictions that the 2007 Ursid meteor shower could be expected to be stronger than usual due to the return of the comet, [3] did not appear to materialize, as counts were in the range of normal distribution.

Contents

Contact Binary

Radar observations of Comet Tuttle in January 2008 by the Arecibo Observatory show it to be a contact binary.[4][5] The comet nucleus is estimated at about 4.5 km in diameter, using the equivalent diameter of a sphere having a volume equal to the sum of a 3km and 4km sphere.[6]

Additional images

Footnotes

External links

Periodic comets (by number)
Previous
7P/Pons-Winnecke
8P/Tuttle Next
9P/Tempel

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  • Tuttle Township — ist der Name mehrerer Townships in den Vereinigten Staaten: Tuttle Township (North Dakota) Tuttle Township (Oklahoma) Diese Seite ist eine Begriffsklärung zur Unterscheidung mehrerer mit demselben Wort bezeichneter Begriffe …   Deutsch Wikipedia

  • Tuttle, ND — U.S. city in North Dakota Population (2000): 106 Housing Units (2000): 79 Land area (2000): 0.247007 sq. miles (0.639746 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.247007 sq. miles (0.639746 sq. km) FIPS… …   StarDict's U.S. Gazetteer Places


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