10P/Tempel

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10P/Tempel
Discovery
Discovered by Ernst Wilhelm Leberecht Tempel
Discovery date July 4, 1873
Alternative
designations		 1873 II; 1878 III; 1894 III;
1899 IV; 1904 III; 1915 I;
1920 II; 1925 IV; 1930 VII;
1946 III; 1951 VIII; 1957 II;
1962 VI; 1967 X; 1972 X;
1978 V; 1983 X; 1988 XIV;
1994 VII;
Orbital characteristics A
Epoch December 4, 2015
(JD 2457360.5)
Aphelion 4.711 AU
Perihelion 1.4176 AU
Semi-major axis 3.064 AU
Eccentricity 0.53736
Orbital period 5.36 yr
Inclination 12.028°
Dimensions 10.6 km[6]
Last perihelion 4 July 2010[1][2]
Next perihelion 14 November 2015[3][4][5]

10P/Tempel, also known as Tempel 2, is a periodic Jupiter-family comet in the Solar System. It was discovered in 1873 and has an orbital period of 5.3 years.[7]

The comet nucleus is estimated to be 10.6 kilometers in diameter with a low albedo of 0.022.[6] The nucleus is dark because hydrocarbons on the surface have been converted to a dark, tarry like substance by solar ultraviolet radiation.

During the 2010 apparition the comet brightened to about apparent magnitude 8.[1] It next comes to perihelion (closest approach to the Sun) on 14 November 2015 when it should brighten to around magnitude 11.[1]

The most favorable apparition of 10P/Tempel 2 was in 1925 when it came within 0.35 AU (52,000,000 km; 33,000,000 mi) of Earth with an apparent magnitude of 6.5.[8] On August 3, 2026, comet Tempel 2 is expected to have another close pass within about 0.41 AU of Earth.[9]

References

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External links

Periodic comets (by number)
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9P/Tempel		 10P/Tempel Next
11P/Tempel-Swift-LINEAR

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  1. ↑ 1.0 1.1 1.2 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 10P at Kazuo Kinoshita home page
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found. (Observer Location:@sun)
  6. ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found. (Cometography Home Page)
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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