Not sure if this is a record or not, so please add/remove as appropriate:
SHORTEST PLANETARY ORBITAL PERIOD AROUND A STAR
SYSTEM: HEGAA AA-B B3
PLANET: HEGAA AA-B B3 A 1
ORBITAL PERIOD: 0.9 D
CMDR M.A.R.S.H.A.L.L.
SHORTEST PLANETARY ORBITAL PERIOD AROUND A STAR
SYSTEM: HEGAA AA-B B3
PLANET: HEGAA AA-B B3 A 1
ORBITAL PERIOD: 0.9 D
CMDR M.A.R.S.H.A.L.L.
