Moab IV
Moab IV was the inhabited, barren fourth planet in the Moab system, located in the Moab sector. It was home to a Human Genome colony on the southern continent, settled in the 22nd century.

The planet itself was entirely deserted and only the artificial biosphere constructed for the colony allowed for Human settlement.

The location of Moab IV was labeled on its orbital path around Alpha Moab on a system map that was seen in the laboratory of Hannah Bates on Moab IV. (, set artwork)

In 2368, a stellar core fragment from a collapsed neutron star passed through the Moab sector. The passing fragment, which had a density of one hundred billion kilograms per cubic centimeter, posed a serious threat to the colony: its mass would create large earthquakes, far beyond what the colony was designed to withstand. Because of this unique danger, the isolationist colony made a one-time exception to their policy against outside contact and accepted assistance from the . ()

Appendices

Background information 
According to the script, the pronunciation for Moab was "MOH-ub". 

According to the , Moab IV was "named for the  that flourished on Earth during Biblical times in what is now ."

The surface of Moab IV was a matte painting created by Illusion Arts, Inc.. (Cinefantastique, Vol. 25, No. 6/Vol. 26, No. 1, p. 73)

According to Star Trek: Star Charts ("United Federation of Planets I"), Moab IV (Genome Colony) was listed as a member planet of the Federation in 2378. The author, Geoffrey Mandel, incorrectly listed this planet as Moab VI.

External link 
 

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Moab 04