The following is a list of first planets located in their respective star systems.

A

• Alpha Majoris I
• Alpha Nexus I
• Alphax I
• Aquila I

B

• Beth Delta I
• Bolarus I (Se'ka)
• Braslota I (Totoro)

C

• Castal I
• Cerzom I

D

• Deneb Kaitos I
• Dizok I

E

• Epsilon Mynos I (Ekasi)

F

• Floe I

K

• Kerzuk I

M

• Meldrar I

S

• Sol I (Mercury)

T

• Talos I

V

• Vagra I
• Valo I

X

• Ximega I
• Xuxiaz I

External link

• First planets article at Memory Alpha, the wiki for canon Star Trek.