Cometcountdown

109P/Swift-Tuttle
Discovered by
Lewis Swift and Horace Parnell Tuttle
Discovery date
16 July 1862
Alternative designations
1737 N1; 1737 II; 1862 O1; 1862 III; 1992 S2; 1992 XXVIII
Semi-major axis
26.092 AU
Eccentricity
0.9632
Orbital period
133.28 yr
Inclination
113.45°
Epoch
10 October 1995 (JD 2450000.5)
Dimensions
26 km
Aphelion
51.225 AU
Perihelion
0.9595 AU
Last Perihelion(s)
11 December 1992
Next Perihelion
12 July 2126
Last modified
02/01/2017 - 02:47