Comet Statistics
Discovery Statistics
Orbital Element Statistics
(current subpage: defunct comet orbital elements)
Long-Period Comets
Short-Period Comets
Defunct Comets
(current)
Suspected Comets
Unique Object Statistics
Long-Period Comets
Short-Period Comets
Defunct Comets
Suspected Comets
Observations
SBN-MPC Annex
Defunct Comet (D/) Orbital Eement Statistics
Note: site is currently under development
This page shows statistics for various orbital elements of Defunct Comets
A comet is categorized as "sun-looking" if it was discovered in a sun-looking survey
Sun-looking surveys: SOHO/SWAN (249) and STEREO A/B (C49/C50)
A comet is categorized as "opposition-looking" if it was discovered in an opposition-looking survey
Opposition-looking surveys are considered all observatories not listed as sun-looking