42P/Neujmin

42P/Neujmin
Discovery
Discovered by: Grigory Neujmin
Discovery date: August 2, 1929
Alternate designations: 1929 III; 1951 V; 1972 IV;
1993 XVI
Orbital characteristics A
Epoch: March 6, 2006
Aphelion: 7.701 AU
Perihelion: 2.014 AU
Semi-major axis: 4.858 AU
Eccentricity: 0.5854
Orbital period: 10.71 a
Inclination: 3.9854°
Last perihelion: July 15, 2004[1][2]
Next perihelion: April 8, 2015[1][2]

42P/Neujmin, also known as Neujmin 3, is a periodic comet in our solar system.

This comet and 53P/Van Biesbroeck are fragments of a parent comet that split in March 1845.[3][4][5]

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.[6]

The comet nucleus is estimated to be 2.2 kilometers in diameter.[7]

References

  1. ^ a b Seiichi Yoshida (2005-03-05). "42P/Neujmin 3". Seiichi Yoshida's Comet Catalog. http://www.aerith.net/comet/catalog/0042P/index.html. Retrieved 2010-03-01. 
  2. ^ a b Syuichi Nakano (2003-12-09). "42P/Neujmin 3 (NK 1018)". OAA Computing and Minor Planet Sections. http://www.oaa.gr.jp/~oaacs/nk/nk1018.htm. Retrieved 2010-03-01. 
  3. ^ IAU Circular No. 3940
  4. ^ Comets II. Lunar and Planetary Institute, University of Arizona. p. 236, 237, 314.
  5. ^ Are Comets 42P/Neujmin 3 and 53P/Van Biesbroeck Parts of one Comet?
  6. ^ "JPL Close-Approach Data: 42P/Neujmin 3". 2004-11-07 last obs. http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=42P;cad=1#cad. Retrieved 2010-03-01. 
  7. ^ "JPL Small-Body Database Browser: 42P/Neujmin 3". Jet Propulsion Laboratory. 2004-11-07 last obs. http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=42P. Retrieved 2010-02-28. 

External links

Periodic comets (by number)
Previous
41P/Tuttle-Giacobini-Kresak		 42P/Neujmin Next
43P/Wolf-Harrington