Alien Movie Universe

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MemberPraetorianFeb-09-2017 4:06 PM

Ok, it's not a huge topic, but what about the other two moons/planetoids of the gas giant? Does anybody know their names/numbers? Are they mentioned anywhere?

And what do the numbers mean? Nothing? And how are the names/numbers formed?

27 Replies


MemberXenomorphFeb-09-2017 4:18 PM

As per the lower film still, I think there's only meant to be three moons (with what look like tiny shepherd moons seen in Prometheus; which missed one - or maybe it was a recent capture - I dunno).

That background is flipped and used again for a shot from the surface of LV-426. The faint moon on the right isn't visible in the flipped image, which would lead us to believe there are three moons (two visible in the sky of LV-426 plus LV-426 itself).


MemberPraetorianFeb-09-2017 4:26 PM

If I know correctly, the first image is a Steve Messing concept art image for Prometheus.

A hi res version:


MemberXenomorphFeb-09-2017 4:34 PM

Possibly. It's not from any film (but did correct the odd sunlight on one of the planets)(mostly).


MemberDeaconFeb-10-2017 7:12 AM

I thought there was 3 Moons, but maybe there could be 4 going by the Concept Art.

Hopefully it would be cleared up at some point, but i would be certain that SM when working with the reference book, they would have had a idea of how many moons. And so i guess as Steve Messing concept was not actually shown in any movie as far as actually seeing 4 Moons, then maybe its just the 3 then?

If there was 4 i guess it would explain the Number System a bit more... i.e LV-223 (2) or LV-426 (4), i will have to go and look at the Fire and Stone comic and see how many it showed and maybe see if Spaights and Lindeloffs drafts mention the number of moons.

If there are 3 then it leaves the 3rd one to be explored in future i would rather this be Paradise than LV-426 though... if there was a 3rd Moon to be explored more then maybe the name logically would be LV-629?

R.I.P Sox  01/01/2006 - 11/10/2017


MemberXenomorphFeb-10-2017 7:19 AM

There are only 3 moons.  LV-223, LV-426 and LV-???




MemberPraetorianFeb-10-2017 11:05 AM

Ok, ok, I believe everything you state, BUT:

Looking at these images, we can easily get confused.

Movie image from Alien, the three (four?) relatively big planetoid moons are outside the ring, no doubt:

Prometheus, arrival scene, two 'big' moons in the distance, LV-223 and LV-426?, probably yes, we don't know, there is no ring, there is no the planet itself, their positions are unknown, the ring and the gas planet (Calpamos) are out of sight:


We have this Prometheus movie image where the ship can be seen very close to the gas giant, it flies 'under' the ring, there's a small moon in the distance on the left (no info about it), AND THERE'S A SMALL MOON 'OVER' THE RING WHICH IS VERY CLOSE TO THE PLANET (inside the ring on the right). I think it can't be one of the relatively big moons because it must have looked much bigger so close to the gas giant:

I think it can be claimed that there is a mysterious small moon inside the planet ring.

Of course, it does not mean anything. :)


MemberXenomorphFeb-10-2017 12:07 PM

You sure look for R2D2?  It could be a Deathstar moving into orbit.....Star Wars....The last Jedi is hiding on one of the moons as an engineer....just kidding


On a serious note.  It could just be a tiny moon not worth categorizing with the rest as it probably doesn't have an atmosphere.


MemberFacehuggerFeb-10-2017 12:22 PM

I remember from Aliens that LV-223 is only 1200 kms across.....thats puny


MemberXenomorphFeb-10-2017 12:42 PM

426 was 1200km.  223 was 1400km.


MemberFacehuggerFeb-10-2017 2:06 PM

our moon is 3474 kms in diameter....


MemberPraetorianFeb-10-2017 2:12 PM


Look at this image from Prometheus, it shows the planet and its moons, so LV-223 (and LV-426?) is outside the ring, no doubt:


MemberXenomorphFeb-10-2017 2:19 PM

The tiny moons near the rings would likely be shepherd moons.


MemberPraetorianFeb-10-2017 2:25 PM

So we discovered something awesome:

"Prometheus (right) and Pandora both orbit near Saturn's F ring, but only Prometheus is thought to act as a shepherd."


MemberFacehuggerFeb-10-2017 2:55 PM

As in Prometheus we see four moons around the gas giant, the other two moons are probably cannons for Dark Horse comics spin offs or something like that.


MemberOvomorphFeb-10-2017 3:14 PM

In Damon Lindelof's audio commentary on the Prometheus DVD he states "LV 223, how far away from LV 426 is this? About 185 LV's away" (Actually that should be 203 LV's away) So to my mind they are in totally different systems, he wrote it so he should know.


MemberXenomorphFeb-10-2017 3:23 PM

He was joking around with that comment.

"As in Prometheus we see four moons around the gas giant, the other two moons are probably cannons for Dark Horse comics spin offs or something like that"

When do we see four?


MemberNeomorphFeb-10-2017 4:57 PM

we have lv223 and lv426, anyone know the designation of the other moon? MUTHER doesn't give any details.


MemberPraetorianFeb-11-2017 6:30 PM

Nobody knows it.

We have a mystery unsolved...


MemberNeomorphFeb-15-2017 7:36 AM

wonder if the 3rd moon will play a part in any of the movies


MemberPraetorianFeb-16-2017 5:29 PM

ali81 - The third moon will be Paradise, or LV-629 by BigDave, beyond doubt. :D


MemberPraetorianAug-02-2018 7:52 AM

Have we a consensus on the name of the additional moon(s) in the Acheron system?


MemberDeaconAug-02-2018 4:21 PM

I have before looked to how they would be named...

There is a Pattern...   LV-223 (2 2 3)  and LV-426 (4 2 6)

The First Digit is doubled 2=>4 the Second Remains, and the 3rd is doubled.  But i think the Pattern therefor would be.

1st Moon  LV-121 or LV-120

2nd Moon LV-223

3rd Moon LV-426

4th Moon LV-629

Thats how it Logically could work for me, but thats not to say this is the case.


R.I.P Sox  01/01/2006 - 11/10/2017


MemberChestbursterAug-04-2018 3:00 AM

Zeta 2 Reticuli.

LV-223 - bioweapon base of Engineers.

LV-426 - Just a rocks with random crash.

I think - other moons is just rocks too.



MemberFacehuggerAug-05-2018 5:53 PM

@Big Dave I believe LV-120 would be right. Because then the last digit would go 0-3-6-9, consistently adding 3 to each end.


MemberFacehuggerAug-05-2018 7:32 PM

Or wait, no, I'm wrong. That is wrong. It would be LV-020, if we're keeping the pattern. 0(+2)2(+0)0(+3)=(223)=2(+2)2(+0)3(+3)=(426)=4(+2)2(+0)6(+3)=629. And it would be the same backward, -2,-0,-3 gets us 629, 6-2=4, 2-0=2, 9-3=6. 426. And 4-2=2, 2-0=2, 6-3=3. 223. And, finally, 2-2=0, 2-0=2, 2-2=0. LV-020


MemberPraetorianAug-06-2018 10:32 AM

Excellent IndyFront. Thank you for recognizing the pattern BigDave. Great job to you both.

I tend to agree with you Leto on LV-426. And by "random" I consider LV-426 just nearby when a juggernaut suffered a malfunction or it was deliberately crashed into it.


MemberDeaconAug-06-2018 4:35 PM

The Fate of the Space Jockey and what LV-426 is up for debate again i guess... With the U-Turn Plot of Alien Covenant.

Prior to that..  Ridley Scott confirmed the Derelict was related to a Juggernaught they are just a few Centuries Apart Technology wise (which makes little sense) but he had confirmed the Derelict had left its Origin but it DID-NOT get Far (which means it left LV-223)  something Evolved in the Cargo Hold, got to the Pilot and knowing he was infected he set a course to LV-426 to Quarantine the Cargo and set off a SOS.

The Ship had intended to Land on LV-426 and RS said it did not Crash, well it kind of did or did it?  RS said the event happened within a Few Hundred years of the LV-223 Outbreak that killed off those Engineers.

So must have likely been... Space Jockey Enters Cryo-Sleep like the Last Engineer Bob..... he awakens a few hundred years latter to carry on his Mission but his Cargo had Evolved, infected him, i am going to think he did not realize until he was departing that something was WRONG and then he laid a Course to LV-426 to Quarantine the Cargo.

But ALAS... all this is potentially changed with the David Creates the Xenomorph Route.

R.I.P Sox  01/01/2006 - 11/10/2017

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