Table 2.

Summary of SOHO comet groups, January 1996–May 2016. The values given for orbital elements are averages of all values for those groups. Owing to short orbital arcs e is 1.0 for all SOHO-discovered comets unless it observed on a second apparition.

group	number	q (AU)	e	ω (°)	Ω (°)	i (°)	period (year)
Kreutz	2692	0.0056	>0.9999	80.0	0.4	143.2	500–1000
Meyer	200	0.036	1.0	57.4	73.1	72.6	unknown
non-group	142	many	many	many	many	many	n.a.
Marsden	54	0.048	0.984	24.2	79.0	26.5	5.30–6.10
Kracht	42	0.045	0.984	58.8	43.8	13.4	4.81–5.81
Kracht II	8	0.054	0.978	48.6	0.0	12.6	3.99
total	3138