The time in seconds from current UT that the phase angles of the Source and Target body orbits will align.

Parameters

transferDataSimple	This is the instance of the TransferDataSimple.
sourceOrbit	This is the source Orbit
targetOrbit	This is the target Orbit
startUT	This is the starting UT to use for the calcs.
offsetDegrees	This optional offset in degrees will be applied to the optimal angle calculation

Returns

Bisection method

Parameters

f	single dimension function
minimum	minimum value
maximum	maximum value
acceptableRange	acceptable range
maxIter	maximum iterations

Returns

Delegate for Bisect method.

Parameters

x

Returns

Calculate Circularization dV.

Parameters

transferDataSimple
newApoapsis	Should include radius of CB

Returns

Calculate same SOI Hohmann Transfer dV.

Parameters

transferDataSimple	TransferDataSimple data instance
startOrbit	The starting orbit

Returns

The dV to complete the transfer and circularization dV if required.

Calculate a Correction Burn if orbits are inclined. Will only process if relative inclination is > 1.

Parameters

bw	BackgroundWorker
transferDataSimple	the TransferDataSimple data instance
startUT	The start UT to start from

Returns

True if a correction was made. False If a correct was not made.

Calculates the start and end transfer window times where the phase angle between source and target planet is within offset degrees occuring after the current time.

Parameters

sourceBody	Starting Celestial Body for the Transfer
targetBody	Ending Celestial Body for the Transfer
offsetDegrees	How many degrees either side of the optimum phase angle do we want to use for start and finish
startTime	The start time in UT of the TRansfer Window
endTime	The end time in UT of the TRansfer Window

Calculates the start and end transfer window times where the phase angle between source and target planet is within offset degrees.

Parameters

sourceBody	Starting Celestial Body for the Transfer
targetBody	Ending Celestial Body for the Transfer
afterUT	The time after which the middled of the transfer should be
offsetDegrees	How many degrees either side of the optimum phase angle do we want to use for start and finish
startTime	The time in seconds from afterUT to the start of the window
endTime	The time in seconds from afterUT to the end of the window

Calculates the start and end transfer window times where the phase angle between source and target planet is within offset degrees.

Parameters

transferDataSimple	Transfer data object related to this transfer
sourceBody	Starting Celestial Body for the Transfer
targetBody	Ending Celestial Body for the Transfer
offsetDegrees	How many degrees either side of the optimum phase angle do we want to use for start and finish
startTime	The time in seconds from current UT to the start of the window
endTime	The time in seconds from current UT to the end of the window

Are we changing Periapsis to reach target.

Parameters

start	Start orbit
target	Target orbit
UT	The burn start UT

Returns

Finalize Lambert solution.

Parameters

transferDataSimple
startUT
startOrbit
targetOrbit

Returns

Calculates the time of flight for a Hohmann transfer between origin and destination , assuming the orbits are circular and coplanar.

Returns

The time of flight.

Parameters

origin	The origin orbit.
destination	The destination orbit.

Solve Lambert's Problem.

Parameters

mu	Gravity
r1	Position at Origin
v1	Velocity at Origin
r2	Position at Destination
v2	Velocity at Destination
tof	Time of Flight (secs)
nrev	Number of Orbits
vi	Velocity Vector at Ejection
vf	Velocity Vector at Arrival

Brent's Algorithm for root finding.

Parameters

f	single dimension function to find the root of
a	first value
b	second value
tol	tolerance
maxIterations	maximum iterations
sign

Returns

Returns the minimum safe orbit radius for body.

Parameters

body

Returns

Is the transfer within the Same SOI?

Parameters

transferDataSimple

Returns

Superior Lambert solution using Gim J. Der derivative on Sun's solution.

Parameters

mu
r1
v1
r2
v2
tof
vi
vf

Calculate the Transfer dV for a simple Transfer. Target and Source body must have already been set.

Parameters

transferDataSimple	This is the instance of the TransferDataSimple.
vessel	This is the Vessel - should be the ActiveVessel.
startUT	This is the starting UT to use for the calcs.

Returns

The safety Envelope for setting minimum Radius on Transfer Orbits.