C/2022 R2 (ATLAS)

For other comets discovered by the Asteroid Terrestrial-impact Last Alert System, see Comet ATLAS (disambiguation).
C/2022 R2 (ATLAS)
Comet ATLAS photographed from the Zwicky Transient Facility on 6 October 2022
Discovery[1][2]
Discovered byAlan Fitzsimmons
Discovery siteATLAS–MLO (T08)
Discovery date14 September 2022
Designations
CK22R020[2]
Orbital characteristics[3]
Epoch29 September 2022 (JD 2459851.5)
Observation arc54 days
Number of
observations		295
Aphelion~845 AU
Perihelion0.633 AU
Semi-major axis~423 AU
Eccentricity0.99850
Orbital period~8,700 years
Inclination52.895°
60.404°
Argument of
periapsis		78.377°
Last perihelion25 October 2022
TJupiter0.607
Earth MOID0.045 AU
Jupiter MOID2.381 AU
Physical characteristics
Comet total
magnitude (M1)		16.6
14.24
(2022 apparition)

Comet ATLAS, formal designation C/2022 R2, is a non-periodic comet with a very small minimum orbit intersection distance with Earth, only about 0.045 AU (6.7 million km).[3] This has led to an assessment that it may generate a potential meteor shower with a radiant in the general direction from the constellation Lepus by 22–24 November.[4]

On 3 October 2022, observations from the Zwicky Transient Facility showed that the comet had experienced a strong outburst, temporarily increasing its apparent magnitude to 14.24, then rapidly faded away afterwards, indicating that the comet had disintegrated.[5]

References

  1. ^ D. W. Green; S. Nakano (20 September 2022). "Comet C/2022 R2 (ATLAS)". Central Bureau for Astronomical Telegrams. 5171.
  2. ^ a b "MPEC 2022-S87: Comet C/2022 R2 (ATLAS)". www.minorplanetcenter.net. Minor Planet Center. 20 September 2022. Bibcode:2022MPEC....S...87D. Retrieved 18 January 2025.
  3. ^ a b "C/2022 R2 (ATLAS) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Archived from the original on 17 December 2021. Retrieved 18 January 2025.
  4. ^ J. Greaves (2022). "Will C/2022 R2 (ATLAS) lead to meteors leaping from Lepus in late November?". eMetN Meteor Journal. 7 (6): 379–380. Bibcode:2022eMetN...7..379G. ISSN 3041-4261.
  5. ^ M. S. P. Kelley; Q. Ye (2022). "Possible outburst and disintegration of comet C/2022 R2 (ATLAS)". The Astronomical Telegram. 15658. Bibcode:2022ATel15658....1K.
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