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Comet C/1965 S1-A Ikeya-Seki


Named after Kaoru Ikeya and Tsutomu Seki, who discovered the comet independently in 1965.

This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.


Osculating Orbital Elements
Epoch2439040,5
Semi major axis91,6000 AU
Period [Julian yrs]876,701 Julian years
Inclination141,864 °
Eccentricity0,9999
Lon. of ascending node346,995 °
Argument of perihelion69,049 °
Passage of perihelion1965-Oct-21.183700
Aphelion distance183,1922 AU
Mean anomaly359,984 °

Physical Data

Discovery Circumstances
DiscovererKaoru Ikeya and Tsutomu Seki
Discovered1965-09-18

Data File
Data File NameC_1965_S1_A_Ikeya_Seki.aed
Data File Date2006-07-19
Data File Size312 kB
Covered Period1965,01 - 1967,70