12P/Pons-Brooks

12P/Pons-Brooks
	12P/Pons-Brooks photographed on 7 March 2024
Discovery
Discovered by	Jean-Louis Pons; William Robert Brooks
Alternative; designations	1812; 1884 I; 1954 VII; C/1457 A1 ; C/1385 U1
Orbital characteristics A
Epoch	2024-05-10
Aphelion	33.616 AU
Perihelion	0.78078 AU
Semi-major axis	17.199 AU
Eccentricity	0.95460
Orbital period	71.32 jyr; 69y 10m 30d (perihelion to perihelion)
Inclination	74.191°
Earth MOID	0.176 AU (26.3 million km)
Dimensions	34±12 km
Rotation period	57±1 hr
Comet total; magnitude (M1)	5
Last perihelion	22 May 1954 ; 25 January 1884 ; 15 September 1812
Next perihelion	21 April 2024

12P/Pons-Brooks is a comet. It was discovered in 1812.

In [some] languages it is known as a Devil's comet.^[9]

References[change | change source]

↑ ^1.0 ^1.1 Cite error: The named reference jpldata was used but no text was provided for refs named (see the help page).
↑ Cite error: The named reference Meyer2020 was used but no text was provided for refs named (see the help page).
↑ Meyer, Maik. Comet 12P/Pons-Brooks – identical to comets C/1457 A₁ and C/1385 U₁ (PDF). comethunter.de (Report).
↑ ^4.0 ^4.1 Cite error: The named reference MPC was used but no text was provided for refs named (see the help page).
↑ Cite error: The named reference Yoshida was used but no text was provided for refs named (see the help page).
↑ Cite error: The named reference Horizons2024 was used but no text was provided for refs named (see the help page).
↑ Cite error: The named reference Quanzhi2020 was used but no text was provided for refs named (see the help page).
↑ Knight, M.M.; Skiff, B.A.; Schleicher, D.G.; Spiro, L.G.; Fernald, I.C.; Guan, B.Y.; et al. (6 March 2024). "ATel #16508: Rotation period of comet 12P/Pons-Brooks from CN coma morphology". The Astronomer's Telegram. Retrieved 9 March 2024.
↑ https://www.nrk.no/vestland/norsk-hobbyfotograf-tok-bilete-av-djevelkomet_-hamna-i-nasa-arkiv-1.16804735. Retrieved 2024-03-18

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Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).

[jpldata-1] 1.0 ^1.1 Cite error: The named reference jpldata was used but no text was provided for refs named (see the help page).

[Meyer2020-2] Cite error: The named reference Meyer2020 was used but no text was provided for refs named (see the help page).

[3] Meyer, Maik. Comet 12P/Pons-Brooks – identical to comets C/1457 A₁ and C/1385 U₁ (PDF). comethunter.de (Report).

[MPC-4] 4.0 ^4.1 Cite error: The named reference MPC was used but no text was provided for refs named (see the help page).

[Yoshida-5] Cite error: The named reference Yoshida was used but no text was provided for refs named (see the help page).

[Horizons2024-6] Cite error: The named reference Horizons2024 was used but no text was provided for refs named (see the help page).

[Quanzhi2020-8] Cite error: The named reference Quanzhi2020 was used but no text was provided for refs named (see the help page).

[9] Knight, M.M.; Skiff, B.A.; Schleicher, D.G.; Spiro, L.G.; Fernald, I.C.; Guan, B.Y.; et al. (6 March 2024). "ATel #16508: Rotation period of comet 12P/Pons-Brooks from CN coma morphology". The Astronomer's Telegram. Retrieved 9 March 2024.

[10] ttps://www.nrk.no/vestland/norsk-hobbyfotograf-tok-bilete-av-djevelkomet_-hamna-i-nasa-arkiv-1.16804735. Retrieved 2024-03-18

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