A comet that made a close encounter with Saturn in 2022
For other comets discovered by the Asteroid Terrestrial-impact Last Alert System, see
Comet ATLAS .
C/2024 L5 (ATLAS) is a comet that was discovered on 14 June 2024 as A117uUD by the Asteroid Terrestrial-impact Last Alert System (ATLAS), South Africa , Sutherland . It will reach perihelion on 10 March 2025 at 3.432 AU (513.4 million km ) from the Sun.[ 4] [ 5]
It is the second known Solar System comet to become interstellar after experiencing a planetary encounter.[ 5] [ 1] C/1980 E1 (Bowell) reached a hyperbolic trajectory after an encounter with Jupiter on 9 December 1980.[ 6] [ 7] Saturn on 24 January 2022.[ 2] [ 5] [ 1] centaur .[ 8] Triangulum .[ 8]
Orbit
JPL Horizons shows an outbound eccentricity greater than 1[ 3] [ 1]
See also
References
^ a b c d de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (23 July 2024). "Comet A117uUD Goes Interstellar after Encountering Saturn in 2022" . Research Notes of the American Astronomical Society . 8 (7): 184 (3 pages). Bibcode :2024RNAAS...8..184D . doi :10.3847/2515-5172/ad65fc ^ a b "C/2024 L5 (ATLAS) – JPL Small-Body Database Lookup" . ssd.jpl.nasa.gov . Jet Propulsion Laboratory . Retrieved 19 August 2024 .^ a b "JPL Horizons On-Line Ephemeris for C/2024 L5 at epoch 1950 and 2100 (barycentric)" . JPL Horizons On-Line Ephemeris System Jet Propulsion Laboratory . Retrieved 23 July 2024 .Barycenter . Ephemeris Type:Elements and Center:@0 (To be outside planetary region, inbound epoch 1950 and outbound epoch 2100. Aphelia/orbital periods defined while in the planetary-region are misleading for knowing the long-term inbound/outbound solutions.)^ "MPEC 2024-O15: COMET C/2024 L5 (ATLAS)" . Minor Planet Electronic Circulars . Minor Planet Center . 20 July 2024.^ a b c "Electronic Telegram No. 5418" . Central Bureau Electronic Telegrams . 20 July 2024.^ Buffoni, L.; Scardia, M.; Manara, A. (1 May 1982). "The orbital evolution of comet Bowell (1980b)" . The Moon and the Planets 26 (3): 311– 315. Bibcode :1982M&P....26..311B . doi :10.1007/BF00928013 ^ Branham, R. L., Jr. (1 April 2013). "New Orbits for Comets C/1960 M1 (Humason), C/1980 E1 (Bowell), and Musings on Extrasolar Comets" . Revista Mexicana de Astronomía y Astrofísica 49 (1): 111– 116. Bibcode :2013RMxAA..49..111B . {{cite journal }}: CS1 maint: multiple names: authors list (link )^ a b de la Fuente Marcos, Raúl; de la Fuente Marcos, Carlos; Aarseth, Sverre J. (24 October 2024). "Ejected from home: C/1980 E1 (Bowell) and C/2024 L5 (ATLAS)" . Astronomy & Astrophysics . 690 (1): A395 (8 pages). arXiv :2410.01975 Bibcode :2024arXiv241001975D . doi :10.1051/0004-6361/202451920
External links
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