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P/2016 P5 (COIAS)

P/2016 P5 (COIAS)
Precovery image of Comet COIAS (center) taken from the Subaru Telescope on 3 July 2016
Discovery[1]
Discovered bySeitaro Urakawa
H. Fukuyama
Discovery siteSubaru–MKO
Come On! Impacting ASteroids (COIAS)
Discovery date1 August 2016
Orbital characteristics[3]
Epoch1 December 2015 (JD 2457357.5)
Observation arc18.83 years
Earliest precovery date23 June 2004
Number of
observations		58
Aphelion4.979 AU
Perihelion4.426 AU
Semi-major axis4.703 AU
Eccentricity0.05885
Orbital period10.198 years
Inclination7.036°
185.48°
Argument of
periapsis		33.632°
Last perihelion29 May 2023[2]
Next perihelionc. 2033
TJupiter2.990
Earth MOID3.422 AU
Jupiter MOID0.001 AU
Comet total
magnitude (M1)		8.0

P/2016 P5 (COIAS) is a Jupiter-family comet with a 10-year orbit around the Sun. Its discovery was announced on 21 March 2025, when cometary activity was spotted on an asteroidal object that was photographed by the Subaru Telescope in 2016.[1]

  1. ^ a b Cite error: The named reference CBET_5529 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference Yoshida_2025 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference jpldata was invoked but never defined (see the help page).

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