collapse

Author Topic: interplanetary rendezvous  (Read 116 times)

pclaurent

  • Newbie
  • *
  • Posts: 12
    • View Profile
interplanetary rendezvous
« 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…

 

Recent Posts / Topics

Guide/Tutorial about Translunar Injections. by jcarrion
[January 17, 2018, 08:46:18 PM]


On demand downloadable terrain imagery question by Kmassie92
[January 15, 2018, 12:03:11 AM]


interplanetary rendezvous by pclaurent
[January 14, 2018, 03:40:25 PM]


How is development going on the next mobile version by Kmassie92
[January 11, 2018, 03:37:34 PM]


Custom scenarios - Multiple spacecrafts by jcarrion
[January 05, 2018, 02:19:57 PM]


Random screenies from the PC Windows version by MusTangGD
[January 01, 2018, 02:34:12 AM]


Interplanetary trip in 1.0.8? by pclaurent
[December 28, 2017, 05:59:13 PM]


barbecue roll by ApolloGirl
[December 17, 2017, 07:00:23 PM]


Apollo Launch Pad Bunker???? by jcarrion
[December 15, 2017, 02:25:03 PM]


Saturn V fuel vapor by DaniBoi82
[December 14, 2017, 08:03:24 PM]


I now have new iPad Pro 10.5 for beta testing and better performance by Kmassie92
[December 12, 2017, 11:13:04 PM]


Early Access roadmap ahead by ApolloGirl
[December 11, 2017, 09:48:29 AM]