Recent Posts

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Feature Request / Planetary constants
« Last post by pclaurent on January 21, 2018, 02:11:13 PM »
Could you please use real physical values for solar system bodies? For example, using your own "moon orbit" scenario, we get an orbit with Periaxis altitude = 58.13 km and Apoaxis = 171.49 km. With such an orbit we should have Periaxis velocity = 1678 m/s and Apoaxis velocity = 1578 m/s. But the spacecraft has velocicty of only 1551 m/s at Periaxis. Like if "your" moon had a much lower mass than the real one...
General Discussion / Re: Guide/Tutorial about Translunar Injections.
« Last post by pclaurent on January 19, 2018, 09:37:05 PM »
Thanks a lot. Same kind of tutorial for "transmartian" or "transvenusian" (i.e. transplanetary) injections would be more than appreciated!
Report your Bugs here! / Not a bug but need a contact.
« Last post by vreducation on January 17, 2018, 05:45:16 PM »
Sorry for posting this here. I am the creator / director of Apollo 11 VR on (Oculus /Vive/PSVR) and I would like to get in touch with the developers / admin if possible. My email address is
Report your Bugs here! / Re: Earth to Mars in 1.0.8?
« Last post by pclaurent on January 16, 2018, 06:12:57 PM »
@jcarrion, thanks for your input.
About target position at our apoaxis and its "shift" during the trip: I'm not talking about 0.5 or 1° deviation (which would be normal as you say, and I agree), but 10, 20° or more... Easy to reproduce if you try a Hohmann transfer from earth to mars: the predicted mars position (@apo) progressively shifts during travel, making mars impossible to reach (v1.0.8 Android).
Report your Bugs here! / Re: X 15 bug crash
« Last post by Kmassie92 on January 14, 2018, 11:46:05 PM »
Thanks well I just tried it again but this time it made it up to 45 kilometers then started spinning. I had it on att hold. all the other times I i ever done It I used hold button so that spacecraft stays stable too but I tried flying the aircraft differently but still did not work
Report your Bugs here! / Custom missions loading bug
« Last post by Kmassie92 on January 14, 2018, 11:31:46 PM »
Hi when I try to load a scenario in custom missions planet looks far away and all white. then I have to load another mission then go back to it because it won’t let me do anything else in that scenario I know it’s a bug cause lots of this happens loading other missions as Well. all the other missions don’t stop me meaning it only happens for like a second then mission starts it seems like a rendering issue . But when I had my iPad Air 2 I was using the same version of this app this did not happen so I’m guessing that different devices can have an impact on all the bugs and how the software works. I am using an iPad Pro 10.5 Thanks😀
Feature Request / interplanetary rendezvous
« Last post by pclaurent on January 14, 2018, 03:40:25 PM »
[v. 1.0.8 Android]
A real interplanetary trip planner would be really appreciated. For now, we just have the "@APO" feature which is not bad but... Let's imagine an initial plan (typically a Hohmann transfer) from earth to, let's say, mars... if the initial "@APSIS Mars" position matched with our apoaxis (which is what we expect for a Hohmann transfer), the real position of mars will be somehow different once we effectively reach apoaxis (probably due to gravitational interferences from other solar system bodies). So we need to correct our trajectory on the go.

The problem is that we cannot test on-flight correction burns (at mid-course for instance). If we click on @APO once again during the travel, the new "@APSIS Mars" position will be completely different from the initial one (why?). The only "dirty solution" is then to try some corrective burns (especially in radial direction) and see what happens, by using small orbit segment at a time.

A far better solution would be either to correct the @APO functionality to produce a proper position when used during the flight or, even better, to change the @APO feature by another one, like @PRO which would calculate the position of the target (mars) when we will occupy the closest position to it on our predicted orbit (the one we simulate). This way we could easily plan an orbit passing in the vicinity of the target. And this closest position will not necessarily be our apoaxis…
Report your Bugs here! / Re: X 15 bug crash
« Last post by jcarrion on January 13, 2018, 03:20:21 AM »
Thanks for the report. 
I ll have a look at it now.

Report your Bugs here! / Re: Planets misplaced
« Last post by jcarrion on January 11, 2018, 06:17:12 PM »
hi PcLaurent.

Mars should be now in the correct position.  I guess that would be in the next weekly  automated-beta build . 

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