Back P/2011 S1 (Gibbs) Ukrainian

P/2011 S1 (Gibbs)

For other comets discovered by Alex R. Gibbs, see Comet Gibbs.

P/2011 S1 (Gibbs)
Discovery[1]
Discovered byAlex R. Gibbs
Discovery siteMount Lemmon Survey
Discovery date19 September 2011
Orbital characteristics[3]
Epoch5 June 2013 (JD 2456448.5)
Observation arc8.26 years
Earliest precovery date29 September 2010
Number of
observations		148
Aphelion10.409 AU
Perihelion6.894 AU
Semi-major axis8.652 AU
Eccentricity0.20315
Orbital period25.448 years
Inclination2.679°
218.89°
Argument of
periapsis		193.37°
Mean anomaly342.76°
Last perihelion24 August 2014
Next perihelion2 November 2039[2]
TJupiter3.124
Earth MOID5.903 AU
Jupiter MOID1.885 AU
Physical characteristics[3][4][5]
Mean diameter
< 8.0 km (5.0 mi)
(V–R) = 0.11±0.09
(R–I) = 0.26±0.06
Comet total
magnitude (M1)		7.1
Comet nuclear
magnitude (M2)		11.5

P/2011 S1 (Gibbs) is a periodic comet or an active centaur with a 25-year orbit around the Sun.

  1. ^ Cite error: The named reference IAUC_9234 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference Yoshida_2022 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference jpldata was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Kulyk_2016 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Lin_2014 was invoked but never defined (see the help page).

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