orbital trajectory and convergence issue

[glornes1970]

Hello I am new to this forum so bear with me please. I have 3 questions First. When I Achieve my orbital plane manually my orbital trajectory is has the elipses of an Egg not circular How do i correct for this trajectory issue? second question I made orbit with auto pilot going to iss in dgIV How can I increase my speed to gain on the iss wihtout messing up my Orbit Trajectory and running out of fuel, Is it better to leave in fron of iss and slow down or behind and speed up? Last question I have tried the going to the moon tutorial and scenarios I Keep missing the equations needed to plot trajectory for orbital break away to get to the moon Does Anyone have those Available or are they on the craft if so where please? Thank you gentlemen and ladies if there be any?

 

[Quick_Nick]

Hello I am new to this forum so bear with me please. I have 3 questions First. When I Achieve my orbital plane manually my orbital trajectory is has the elipses of an Egg not circular How do i correct for this trajectory issue?

A circle isn't totally necessary, but can be useful when reaching the ISS. If either your periapsis (PeA on OrbitMFD), the lowest point in your orbit, or apoapsis (ApA on OrbitMFD), the highest point in your orbit, is too low, burn retrograde at the opposite point. If it's too low, burn prograde at the opposite point. (Eg: Your apoapsis is too high, so you burn retrograde when you are at/around periapsis) Also, if OrbitMFD shows PeR and ApR,(distance from center of Earth) just hit the DST button to switch to PeA and ApA.(altitude)

second question I made orbit with auto pilot going to iss in dgIV How can I increase my speed to gain on the iss wihtout messing up my Orbit Trajectory and running out of fuel, Is it better to leave in fron of iss and slow down or behind and speed up?

That's up to you. It really depends on where the ISS is relative to you in your orbit. (use MapMFD, hit TGT and put in ISS) Also, if you don't already know, to speed up you lower your altitude. A common technique would be to make your orbit an ellipse with ApA being about the same as ISS and PeA being lower than ISS PeA. Learn to use SyncOrbitMFD, it's a big help if you know how to use it. Slowing down is just the opposite, you raise your orbit. (so now PeA is around ISS orbit and ApA is higher)

Last question I have tried the going to the moon tutorial and scenarios I Keep missing the equations needed to plot trajectory for orbital break away to get to the moon Does Anyone have those Available or are they on the craft if so where please? Thank you gentlemen and ladies if there be any?

I don't quite understand you.

 

[dbeachy1]

I highly recommend Bruce Irving's "Go Play In Space" tutorial, which is an excellent way to learn how orbits work and how to dock. It is available here: http://www.aovi93.dsl.pipex.com/play_in_space.htm