331P/Gibbs

< 331P
331P/Gibbs (P/2012 F5)
Discovery
Discovered byA. R. Gibbs
(Mount Lemmon Survey)
Discovery dateMarch 22, 2012
Orbital characteristics
Epoch4 February 2012 (JD 2455961.5)
Observation arc11.3 years
Number of
observations		148
Aphelion3.130 AU
Perihelion2.877 AU
Semi-major axis3.004 AU
Eccentricity0.042
Orbital period5.21 years (1902 days)
Inclination9.740°
216.86°
Argument of
periapsis		177.40°
Last perihelion29 September 2020
16 June 2015
Next perihelion2025-Dec-25
TJupiter3.229
Earth MOID1.88 AU
Jupiter MOID2.08 AU
Physical characteristics
Dimensions~2-5 km
Comet total
magnitude (M1)		12.3
Comet nuclear
magnitude (M2)		15.4

331P/Gibbs (P/2012 F5) is a small periodic Encke-type and rare main-belt comet, discovered by American amateur astronomer Alex Gibbs.

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