42P/Neujmin
{{Short description|Periodic comet with 10 year orbit}}
{{Infobox comet
| name=42P/Neujmin
| image=
| discoverer=Grigory Neujmin
| discovery_date=August 2, 1929
| designations=1929 III; 1;
1993 XVI
| epoch=March 6, 2006
| semimajor=4.858 AU
| perihelion=2.014 AU
| aphelion=7.701 AU
| eccentricity=0.5854
| period=10.71 a
| inclination= 3.9854°
| last_p=April 8, 2015
July 15, 2004
}}
42P/Neujmin, also known as Neujmin 3, is a periodic comet 2 km in diameter.
This comet and 53P/Van Biesbroeck are fragments of a parent comet that split in March 1845.[http://www.lpi.usra.edu/books/CometsII/download.html Comets II. Lunar and Planetary Institute, University of Arizona. p. 236, 237, 314.][http://www.aas.org/publications/baas/v35n4/dps2003/72.htm Are Comets 42P/Neujmin 3 and 53P/Van Biesbroeck Parts of one Comet?] {{webarchive|url=https://web.archive.org/web/20080706191010/http://www.aas.org/publications/baas/v35n4/dps2003/72.htm |date=2008-07-06 }}
The comet did not come within 1 AU of a planet in the 20th century, but will pass 0.04 AU from asteroid 4 Vesta on July 17, 2036.
The comet nucleus is estimated to be 2.2 kilometers in diameter.
References
{{Reflist|refs=
|date=2005-03-05
|title=42P/Neujmin 3
|publisher=Seiichi Yoshida's Comet Catalog
|author=Seiichi Yoshida
|url=http://www.aerith.net/comet/catalog/0042P/index.html
|access-date=2010-03-01}}
|date=2003-12-09
|title=42P/Neujmin 3 (NK 1018)
|publisher=OAA Computing and Minor Planet Sections
|author=Syuichi Nakano
|author-link=Syuichi Nakano
|url=http://www.oaa.gr.jp/~oaacs/nk/nk1018.htm
|access-date=2010-03-01}}
|date=1984-04-25
|title=IAUC 3940: Sats OF SATURN; PERIODIC COMETS NEUJMIN 3 AND VAN BIESBROECK; Corrs
|publisher=IAU Circular
|url=http://www.cbat.eps.harvard.edu/iauc/03900/03940.html#Item2}}
|type=2004-11-07 last obs
|title=JPL Close-Approach Data: 42P/Neujmin 3
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=42P;cad=1#cad
|archive-url=https://archive.today/20121213133424/http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=42P;cad=1%23cad
|archive-date=2012-12-13
|url-status=live
|access-date=2012-12-13}}
|type=2004-11-07 last obs
|title=JPL Small-Body Database Browser: 42P/Neujmin 3
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=42P
|publisher=Jet Propulsion Laboratory
|access-date=2010-02-28}}
}}
External links
- {{JPL Small Body|id=1000065}}
- [http://cometography.com/pcomets/042p.html 42P at Kronk's Cometography]
{{PeriodicComets Navigator|41P/Tuttle–Giacobini–Kresák|43P/Wolf–Harrington}}
{{Comets}}
{{DEFAULTSORT:Neujmin, 042P}}
{{comet-stub}}