Astrodynamics/In-Plane Orbit Changes

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[edit] Hohmann transfer

Hohmann transfer is a transfer between two coplanar orbits with two burns. In a one-body system, it is almost always the most efficient transfer between two circular orbits in terms of delta v.

Hohmann transfer orbit.png

Hohmann transfer orbit.jpg

[edit] MRO Transfer Orbit

MRO Transfer Orbit.jpg

MRO Transfer Orbit 2.png

MRO Transfer Orbit.png

[edit] Spiral transfer

Wikipedia:Hohmann#Low-thrust_transfer Spiral transfers are used when a low thrust thruster such as ion thruster is available. Such thrusters continuously add delta v and require more delta v than Hohmann transfers.

[edit] Orbit Plane changes

[edit] Non-Optimal Changes for ΔV

[edit] further reading