C/1899 E1 (Swift)

For other comets discovered by Lewis A. Swift, see Comet Swift.

Comet Swift, also known as C/1899 E1 from its modern nomenclature, is a hyperbolic comet that became visible to the naked eye in early 1899. It is one of 13 comets discovered by American astronomer, Lewis A. Swift.

C/1899 E1 (Swift)

A series of photographs of Comet Swift taken by Edwin F. Coddington on 8–10 May 1899[1]
Discovery
Discovered by	Lewis A. Swift
Discovery site	Mount Lowe Obs.
Discovery date	4 March 1899
Designations
Alternative designations	1899a[2] 1899 I
Orbital characteristics[3]
Epoch	4 May 1899 (JD 2414778.5)
Observation arc	126 days
Number of observations	151
Perihelion	0.327 AU
Eccentricity	1.00033
Inclination	146.27°
Longitude of ascending node	26.41°
Argument of periapsis	8.706°
Last perihelion	13 April 1899
Earth MOID	0.506 AU
Jupiter MOID	0.917 AU