I will now try and cover a lot of other stuff, and Please dont take this in any offense, its only my opinion based on how i see the clues.... and so does not mean i am in any shape or form Right.. and its still interesting to debate other things even if i feel clues contradict it... as well a lot of Alien Covenant contradicts a lot of clues anyway lol and who am i to say Ridley Scott/Logan got it wrong ;)
Origae 6 i believe is not LV-426 unless RS and Logan did less homework.... The Journey time to Origae 6 as of December 4th 2104 is 7 years, and so the Covenant would have arrived in about the year 2121 (bit close to Alien Date so maybe they will go the LV-426 route lol).
The Covenant Ship has to Re-charge with its Sails every 1.5 to 2 years, the ship did this in Alien Covenant and so we can assume the Ship has already been in Space for 1.5 to 2 years. The Ship is a Weyland-Yutani Ship which means it has to be a mission after the year 2099.
Prometheus took 2 years to get to LV-223 (39LY) the 2116 Refitted Nostromo would take 10 Months to cover the same distance. The Covenant looked more Advanced than that TUG... and it had some Pretty Huge Engines compared to Prometheus.. but if we assume its only as fast as Prometheus... then Origae 6 would still be another 140 Light Years away... Thus its unlikely it would be LV-426
The Covenant has Left Earth.... we dont know what time but the longest would have to been leaving in the year say 2100 so 4 years... the least i would say would be about 18 months into its journey... (at the End of Covenant the Synthetic mentions it will be another 1.6 years to the next Charging Time).
For the Covenant to be say 1.5 to 4 years into its journey and having another 7 years to go, if its Destination is LV-426 means the Covenant is traveling at say between 3.6 to 4.6X Speed of Light (Prometheus was nearly 20X and Nostromo 47X)
And yet the detour to Paradise takes 7 weeks... and so thus means Paradise is 0.45 to 0.6 Light Years away from where the Neutrino Blast Happened... if we assume its 7 more years to LV-426
Which raises one massive Plot Hole as it would have to mean Paradise is so close to Earth... 10-15 LY average that how come Mankind has never found it before?
I would rather assume the Covenant has been gone for say 2-3 years and traveled 120-180 Light years before they detect the Signal... maybe further... as we dont know a few things.
1) Covenants Departure Date
2) Covenants average Speed
But i think it its likely that Origae 6 is not LV-426