First planets

From Memory Alpha, the free Star Trek reference.

The following is a list of the first planet in each of their respective star systems.

• Alpha Majoris I
• Angel I
• Beth Delta I
• Castal I
• Doraf I
• Kabrel I
• Korris I
• L-374 I
• Meldrar I
• Mercury (Sol I)
• Orion I
• Valo I
• Veridian I

Planet ordinals
Prime • I • II • III • IV • V • VI • VII • VIII • IX • X • XII • XIV • XX