120P/Mueller
Discovery
Discovered byJean Mueller
Discovery dateOctober 18, 1987
Designations
1987 XXXI; 1995 O2
Orbital characteristics
Epoch2022-01-21
Aphelion5.448 AU
Perihelion2.478 AU
Semi-major axis3.963 AU
Eccentricity0.3746
Orbital period7.88 yr
Inclination8.4899°
Last perihelionMay 7, 2021[1]
February 22, 2013[2]
September 30, 2004
Next perihelion2029-Apr-05[3]

120P/Mueller, also known as Mueller 1, is a periodic comet in the Solar System. It last came to perihelion in May 2021[1] and underwent a 1.4 magnitude outburst in August 2021,[4] (3m 1d after perihelion).

References

  1. 1 2 "120P/Mueller Orbit". Minor Planet Center. Retrieved 2014-06-17.
  2. Syuichi Nakano (2010-04-23). "120P/Mueller 1 (NK 1918)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-25.
  3. "Horizons Batch for 120P/Mueller 1 on 2029-Apr-05" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Retrieved 2021-09-13. (JPL#20/Soln.date: 2021-Apr-15)
  4. Zwicky Transient Facility Survey of Cometary Outbursts


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