42P/Neujmin

42P/Neujmin
Discovery
Discovered byGrigory Neujmin
Discovery dateAugust 2, 1929
Designations
1929 III; 1;
1993 XVI
Orbital characteristics
EpochMarch 6, 2006
Aphelion7.701 AU
Perihelion2.014 AU
Semi-major axis4.858 AU
Eccentricity0.5854
Orbital period10.71 a
Inclination3.9854°
Last perihelionApril 8, 2015[1]
July 15, 2004[1][2]
Next perihelionJanuary 14, 2026[1]

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.[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]

  1. ^ a b c Cite error: The named reference Yoshida-42p was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference NK1018 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference IAUC3940 was invoked but never defined (see the help page).
  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? Archived 2008-07-06 at the Wayback Machine
  6. ^ Cite error: The named reference jpl-close was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference jpldata was invoked but never defined (see the help page).

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