Alpha Laputa IV was the inhabited fourth planet in its star system.
In 2367, the USS Zhukov was on a cultural observation mission of this planet. The planet was listed on the chart Starfleet Operations-Sectors 21166-23079, which was seen on a screen on the USS Enterprise-D bridge. (TNG: "Brothers" okudagram)
In 2369, the Zhukov resumed its cultural observation mission of this planet. The planet was listed on the chart Starfleet Operations-Sectors 21538-23079, which was seen in the Enterprise-D observation lounge. (TNG: "Chain Of Command, Part I", okudagram)
This planet was only mentioned in writing.