89P/Russell

< 89P
89P/Russell
Discovery
Discovered byKenneth S. Russell
Discovery siteSiding Spring Observatory
Discovery date28 September 1980
Designations
P/1980 S1
P/1987 N1
  • Russell 2
  • 1980 III, 1987 XI
  • 1994 XXIX
  • 1980o, 1987q, 1994e
Orbital characteristics
Epoch5 May 2025 (JD 2460800.5)
Observation arc44.39 years
Earliest precovery date9 August 1980
Number of
observations		656
Aphelion5.279 AU
Perihelion2.222 AU
Semi-major axis3.751 AU
Eccentricity0.40751
Orbital period7.264 years
Inclination12.072°
41.345°
Argument of
periapsis		250.42°
Mean anomaly54.870°
Last perihelion26 March 2024
TJupiter2.903
Earth MOID1.239 AU
Jupiter MOID0.741 AU
Physical characteristics
Mean diameter
2.8 km (1.7 mi)
Comet total
magnitude (M1)		8.2
Comet nuclear
magnitude (M2)		16.3

89P/Russell is a periodic comet in the Solar System with a current orbital period of 7.26 years.

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