37P/Forbes

For other comets discovered by Alexander Forbes, see C/1930 L1 (Forbes) and C/1932 Y1 (Dodwell–Forbes).

37P/Forbes is a periodic comet in the Solar System. The orbit of this comet passes close to the planet Jupiter however it orbit changes frequently. It was discovered on August 1, 1929, by Alexander F. I. Forbes in South Africa.^[4] The comet nucleus is estimated to be 1.9 kilometers in diameter.^[5]

37P/Forbes

Image of the comet
Discovery
Discovered by	Alexander F. I. Forbes
Discovery date	August 1, 1929
Designations
Alternative designations	1929 II; 1942 III; 1948 VIII; 1961 VI; 1974 IX; 1980 VI; 1987 I; 1993 IV
Orbital characteristics
Epoch	March 6, 2006
Aphelion	5.285 AU
Perihelion	1.572 AU
Semi-major axis	3.429 AU
Eccentricity	0.5414
Orbital period	6.349 a
Inclination	8.9578°
Last perihelion	2018-May-04 December 11, 2011[1][2] August 1, 2005
Next perihelion	2024-Oct-11[3]

A close approach to Jupiter in the year 2001 has changes its perihelion to 1.57 AU. Despite the small change, the comet brightness went down by a magnitude of 2.^[6]