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C/1936 K1 (Peltier)

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For other comets discovered by Leslie C. Peltier, see Comet Peltier.
C/1936 K1 (Peltier)
Peltier's Comet photographed by George van Biesbroeck from the Yerkes Observatory, Wisconsin on 12 July 1936[1]
Discovery[2]
Discovered byLeslie C. Peltier
Discovery siteDelphos, Ohio, USA
Discovery date15 May 1936
Designations
1936 II, 1936a[3]
Orbital characteristics[4]
Epoch4 July 1936 (JD 2428353.5)
Observation arc157 days
Number of
observations		113
Aphelion~272 AU
Perihelion1.099 AU
Semi-major axis136.71 AU
Eccentricity0.99195
Orbital period~1,600 years
Inclination78.55°
134.94°
Argument of
periapsis		148.48°
Last perihelion8 July 1936
TJupiter0.296
Earth MOID0.166 AU
Jupiter MOID1.837 AU
Physical characteristics[5][6]
Mean radius
1.27 km (0.79 mi)[a]
Comet total
magnitude (M1)		6.13
Comet nuclear
magnitude (M2)		7.87
2.9–4.1
(1936 apparition)

Peltier's Comet, formal designation C/1936 K1, is a non-periodic comet that became visible to the naked eye between July and August 1936. It is the fifth of 10 comets discovered by American astronomer, Leslie C. Peltier.[7]

References

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Notes

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  1. ^ Calculated mean radius using the formula: [5]
    Where is the comet's absolute total magnitude (M1)

Citations

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  1. ^ G. van Biesbroeck (1936). "Comet Notes". Popular Astronomy. 44: 389. Bibcode:1936PA.....44..389V.
  2. ^ S. Herrick, Jr. (1936). "Comet Peltier (1936a)". Publications of the Astronomical Society of the Pacific. 48 (284): 222–224. Bibcode:1936PASP...48..222H. doi:10.1086/124708. JSTOR 40669481.
  3. ^ "Comet Names and Designations". International Comet Quarterly. Retrieved 12 January 2025.
  4. ^ "C/1936 K1 (Peltier) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 4 January 2024.
  5. ^ a b J. A. Fernández; A. Sosa (2012). "Magnitude and size distribution of long-period comets in Earth-crossing or approaching orbits". Monthly Notices of the Royal Astronomical Society. 423 (2): 1674–1690. arXiv:1204.2285. doi:10.1111/j.1365-2966.2012.20989.x.
  6. ^ G. W. Kronk (2009). Cometography: A Catalog of Comets. Vol. 4: 1933–1959. Cambridge University Press. pp. 34–44. ISBN 978-0-521-58507-1.
  7. ^ "Peltier Discovers Fifth Comet". Royal Astronomical Society of Canada. 15 May 1936. Retrieved 12 January 2025.
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