53P/Van Biesbroeck

53P/Van Biesbroeck
Infrared image of 53P/Van Biesbroeck taken by NEOWISE on 26 April 2016
Discovery
Discovered byGeorge Van Biesbroeck
Discovery siteYerkes Observatory
Discovery date1 September 1954
Designations
  • P/1954 R1, P/1965 J1
  • P/1989 H1
  • 1954 IV, 1966 III
  • 1978 XXIV, 1991 VI
  • 1954i, 1965d, 1977s
Orbital characteristics
Epoch13 September 2023 (JD 2460200.5)
Observation arc63.42 years
Number of
observations		3,195
Aphelion8.423 AU
Perihelion2.445 AU
Semi-major axis5.434 AU
Eccentricity0.55009
Orbital period12.67 years
Inclination6.607°
148.83°
Argument of
periapsis		134.47°
Mean anomaly209.69°
Last perihelion29 April 2016
Next perihelion24 December 2028
TJupiter2.652
Earth MOID1.416 AU
Jupiter MOID0.009 AU
Physical characteristics
Mean radius
3.33–3.37 km (2.07–2.09 mi)
(V–R) = 0.336±0.075
Comet total
magnitude (M1)		10.0
Comet nuclear
magnitude (M2)		12.5

53P/Van Biesbroeck is a periodic comet about 7.0 km (4.3 mi) in diameter. Its current orbital period is 12.67 years.

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