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Comet Interceptor is an ESA F-class mission expected to launch in 2028 on thesame launcher as ESA's ARIEL mission. Comet Interceptor's science payloadconsists of three spacecraft, a primary spacecraft that will carry two smallerprobes to be released at the target. The three spacecraft will fly-by thetarget along different chords, providing multiple simultaneous perspectives ofthe comet nucleus and its environment. Each of the spacecraft will be equippedwith different but complementary instrument suites designed to study the farand near coma environment and surface of a comet or interstellar object (ISO).The primary spacecraft will perform a fly-by at ~1000 km from the target. Thetwo smaller probes will travel deeper into the coma, closer to the nucleus. Themission is being designed and launched without a specific comet designated asits main target. Comet Interceptor will travel to the Sun-Earth L2 Lagrangianpoint with ARIEL and wait in hibernation until a suitable long-period comet(LPC) is found that will come close enough to the Sun for the spacecraft tomaneuver to an encounter trajectory. To prepare for all eventualities, thescience team has assembled a preliminary set of backup targets from the knownJupiter family comets, where a suitable fly-by trajectory can be achievedduring the nominal mission timeline (including the possibility of some launchdelay). To better prioritize this list, we are releasing our potential backuptargets in order to solicit the planetary community's help with observations ofthese objects over future apparitions and to encourage publication of archivaldata on these objects.

Potential Backup Targets for Comet Interceptor