C/2021 J1 (Maury-Attard)

C/2021 J1 (Maury-Attard)
Discovery
Discovered byA. Maury
G. Attard
Discovery date2021-05-09
Orbital characteristics
Observation arc124 days
Perihelion1.741 AU[1]
Eccentricity0.934
Orbital period135±2 years
Inclination92.72°
Last perihelion19 February 2021
Next perihelionearly 2154[2]

C/2021 J1 (Maury-Attard) is a Halley-type comet discovered on May 9, 2021, by French amateur astronomers Alain Maury and Georges Attard[3][4] with the MAP (Maury/Attard/Parrott) observation program.[5][6] It is the first comet discovered with the synthetic tracking technique, made possible with the Tycho Tracker commercial software developed by Daniel Parrott.[5] When it was discovered, it had a magnitude of 19.

It has a 124 day observation arc.[1] It came to perihelion on 19 February 2021. The next perihelion will be in early 2154.[2]

  1. ^ a b Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference Horizons2154 was invoked but never defined (see the help page).
  3. ^ "ALPO COMET NEWS FOR MAY 2021". Cloudy Nights. Retrieved July 13, 2021.
  4. ^ "New Comet C/2021 J1 (Maury-Attard)". Comet Observation Database. Archived from the original on July 30, 2021. Retrieved July 13, 2021.
  5. ^ a b Feldmann, Jean-Baptiste (June 7, 2021). "C/2021 J1 Maury-Attard, la comète française inespérée". CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel. Retrieved July 13, 2021.
  6. ^ "MAP history and description". San Pedro de Atacama Celestial Explorations. Retrieved July 13, 2021.