120P/Mueller
{{Short description|Periodic comet with 8 year orbit}}
{{Infobox comet
| name=120P/Mueller
| image=
| discoverer=Jean Mueller
| discovery_date=October 18, 1987
| designations=1987 XXXI; 1995 O2
| epoch=2022-01-21
| semimajor=3.963 AU
| perihelion=2.478 AU
| aphelion=5.448 AU
| eccentricity=0.3746
| period=7.88 yr
| inclination= 8.4899°
| last_p=May 7, 2021
February 22, 2013{{cite web
|date=2010-04-23
|title=120P/Mueller 1 (NK 1918)
|publisher=OAA Computing and Minor Planet Sections
|author=Syuichi Nakano
|author-link=Syuichi Nakano
|url=http://www.oaa.gr.jp/~oaacs/nk/nk1918.htm
|accessdate=2012-02-25}}
September 30, 2004
}}
120P/Mueller, also known as Mueller 1, is a periodic comet in the Solar System. It last came to perihelion in May 2021 and underwent a 1.4 magnitude outburst in August 2021,[https://www.astro.umd.edu/~msk/science/comae/ztf-outburst-survey/ Zwicky Transient Facility Survey of Cometary Outbursts] ({{time interval|2021-05-07|2021-08-08|abbr=on}} after perihelion).
References
{{reflist|refs=
|title=120P/Mueller Orbit
|url=http://www.minorplanetcenter.net/db_search/show_object?object_id=120P
|publisher=Minor Planet Center
|accessdate=2014-06-17}}
|title=Horizons Batch for 120P/Mueller 1 on 2029-Apr-05
|publisher=JPL Horizons
|type=Perihelion occurs when rdot flips from negative to positive
|url=https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&COMMAND=%27120P%27&START_TIME=%272029-03-27%27&STOP_TIME=%272029-04-15%27&STEP_SIZE=%273%20hours%27&QUANTITIES=%2719%27
|accessdate=2021-09-13}} (JPL#20/Soln.date: 2021-Apr-15)
}}
External links
- [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=120P;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=120P Horizons Ephemeris]
- [http://www.aerith.net/comet/catalog/0120P/index.html 120P/Mueller 1] – Seiichi Yoshida @ aerith.net
- [http://cometography.com/pcomets/120p.html 120P at Kronk's Cometography]
{{PeriodicComets Navigator|119P/Parker–Hartley|121P/Shoemaker–Holt}}
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{{DEFAULTSORT:Mueller, 120P}}
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