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C/1955 L1 (Mrkos)

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Not to be confused with C/1855 L1 (Donati). For other comets discovered by Antonín Mrkos, see Comet Mrkos.
C/1955 L1 (Mrkos)
Comet Mrkos photographed by Elizabeth Roemer from the Lick Observatory on 17 June 1955.[1]
Discovery[2]
Discovered byAntonín Mrkos
Discovery siteLomnický štít, Czechoslovakia
Discovery date12 June 1955
Designations
1955 III, 1955e[3]
Orbital characteristics[4]
Epoch14 July 1955 (JD 2435302.5)
Observation arc84 days
Number of
observations		21
Aphelion98.547 AU
Perihelion0.534 AU
Semi-major axis49.540 AU
Eccentricity0.98921
Orbital period~350 years
Inclination86.503°
48.942°
Argument of
periapsis		32.506°
Mean anomaly0.113°
Last perihelion4 June 1955
Next perihelion~2300s
TJupiter0.160
Earth MOID0.399 AU
Jupiter MOID0.192 AU
Physical characteristics[5]
Comet nuclear
magnitude (M2)		6.6
4.5
(1955 apparition)

Comet Mrkos, formally designated as C/1955 L1, is a long-period comet with an approximately 350-year orbit around the Sun.[4] It is one of several comets discovered by Czech astronomer, Antonín Mrkos.

References

[edit]
  1. ↑ E. Roemer (1955). "Comet Notes". Publications of the Astronomical Society of the Pacific. 67 (398): 476–480. JSTOR 40672998.
  2. ↑ A. Mrkos (13 June 1955). J. M. Vinter Hansen (ed.). "Naked Eye Comet Mrkos (1955e)". IAU Circular. 1502 (2).
  3. ↑ "Comet Names and Designations". International Comet Quarterly. Retrieved 4 June 2025.
  4. 1 2 "C/1955 L1 (Mrkos) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 4 June 2025.
  5. ↑ G. W. Kronk (2009). Cometography: A Catalog of Comets. Vol. 4: 1933–1959. Cambridge University Press. pp. 355–359. ISBN 978-0-521-58507-1.
[edit]
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