Beta Agni II was the inhabited second planet in the Beta Agni system. This planet, the home of a Federation colony, was located within Sector 30. Since its settlement, the colony had recorded no significant geological activity.
In 2366, the colony had a sudden tricyanate contamination of its water supply. The contamination was neutralized with hytritium supplied by a landing party from the USS Enterprise-D. The incident was later found out to be the work of Zibalian trader Kivas Fajo, as part of a scheme to capture the android Data. (TNG: "The Most Toys")
Background information Edit
The planet model for Beta Agni II was first used for Benev Selec ("Pen Pals"). It was used again for Starbase 515 planet ("Samaritan Snare"), and Rutia IV ("The High Ground").
According to the Star Trek Encyclopedia (3rd ed., p. 43), Beta Agni II was a Class M planet.
According to Startrek.com, this was a Class M world with oceans, lush areas, and a large desert. 
According to the Star Trek: Star Charts, on the chart "United Federation of Planets I", Beta Agni II was listed as a member planet of the Federation in 2378.
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