C/1861 G1 (Thatcher)

C/1861 G1 (Thatcher)
C/1861 G1 (Thatcher)
Discovery
Discovered by: A. E. Thatcher
Discovery date: April 5, 1861
Alternate designations: 1861 I
Orbital characteristics A
Epoch: 2400920.5 (May 25, 1861)
Aphelion distance: 110.44307381 AU
Perihelion distance: 0.9207 AU
Semi-major axis: 55.6818869065619 AU
Eccentricity: 0.983465
Orbital period: 415.5077 a
Inclination: 79.7733°

Comet C/1861 G1 (Thatcher) is a long-period comet discovered by A. E. Thatcher. It is responsible for the Lyrids meteor shower.[1] Carl Wilhelm Baeker also independently found this comet.

References

  1. ^ Arter, T. R.; Williams, I. P. (1997). "The mean orbit of the April Lyrids". Monthly Notices of the Royal Astronomical Society 289 (3): 721–728. Bibcode 1997MNRAS.289..721A. 



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