Lya IV
Lya IV was the inhabited fourth planet in its star system. This planet, in Sector 30/489, was located near the Giles Belt and the Nel Bato system.

In the mid-2360s, a Federation outpost was located on this planet. 

In 2366, the freighter Jovis, commanded by Kivas Fajo, spent more than half a day in orbit of this planet. While at this planet, Fajo entertained his friend Palor Toff. The outpost would later send a message to the  that Kivas Fajo's ship had been seen at the planet. ()

See also 
 Lya III
 Lya Station Alpha

Appendices

Background information 
This planet's quadrant of origin is inferred from it being in Sector 30, which contained a section of the Romulan Neutral Zone. This zone was canonically located in the Beta Quadrant in the  episode .

This planet was located in a subsector with the reference number of 321-053.

According to the , the outpost at Lya IV, which was referred to once in the episode as a station, was a space station.

According to Star Trek: Star Charts (p. 47) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), the Lya system was a binary system with a pair of A-class stars; according to these sources, it was located in the Alpha Quadrant.

it:Lya IV
Lya 04
Outposts