12P/Pons-Brooks
periodic comet with 71 year orbit
12P/Pons-Brooks is a comet. It was discovered in 1812.
Discovery | |
---|---|
Discovered by | Jean-Louis Pons William Robert Brooks |
Alternative designations | 1812; 1884 I; 1954 VII;[1] C/1457 A1 ; C/1385 U1 [2][3] |
Orbital characteristics A | |
Epoch | 2024-05-10[4] |
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[7] |
Rotation period | 57±1 hr[8] |
Comet total magnitude (M1) | 5[1] |
Last perihelion | 22 May 1954[5][4] 25 January 1884 15 September 1812 |
Next perihelion | 21 April 2024[6][a] |
In [some] languages it is known as a Devil's comet.[9]
References change
- ↑ 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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