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Taís Massaro 2021-10-29 17:09:37 +00:00 committed by GitHub
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commit ff0daa961c
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52
Luminary099/CONIC_SUBROUTINES.agc
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@ -100,24 +100,27 @@
# RRECT * +29 FOR EARTH* DP INITIAL POSITION VECTOR IN METERS
# * +27 FOR MOON *
# Page 1161
# VRECT * +7 FOR EARTH * DP INITIAL VELOCITY VECTOR IN METERS/CENTISECOND
# * +5 FOR MOON *
# X1 (38D) * NONE * INDEX REGISTER SET TO -2D OR -10D ACCORDING TO WHETHER THE EARTH OR MOON,
# * * RESPECTIVELY, IS THE CENTRAL BODY
# TAU * +28 * DESIRED TRANSFER TIME IN CENTISECONDS (DP)
# * * MAY BE POS OR NEG AND ABSOLUTE VALUE MAY BE GREATER OR LESS THAN ONE ORBITAL PERIOD.
# XKEPNEW * +17 FOR EARTH * DP GUESS OF ROOT X OF KEPLERS EQN IN SQRT(METERS). SIGN SHOULD AGREE WITH THAT OF TAU.
# * +16 FOR MOON * AND ABS VALUE SHOULD BE LESS THAN THAT CORRESPONDING TO A PERIOD, VIZ, 2PI SQRT(SEMI-
# * * MAJOR AXIS), FOR SPEED OF CONVERGENCE, BUT IF EITHER CONDITION FAILS, XKEPNEW IS RESET
# * * BY KEPLER TO A POOR BUT VALID GUESS.
# TC * +28 * DP PREV. VALUE OF TIME IN CENTISECS. MUST BE LESS THAN ONE ORBITAL PERIOD.
# XPREV * +17 FOR EARTH * DP PREV. VALUE OF X IN SQRT(METERS). MUST BE LESS THAN AN X CORRESPONDING TO ONE
# * +16 FOR MOON * ORBITAL PERIOD, VIZ, 2PI SQRT(SEMI-MAJOR AXIS)
# VRECT * +7 FOR EARTH * DP INITIAL VELOCITY VECTOR IN METERS/CENTISECOND
# * +5 FOR MOON *
# X1 (38D) * NONE * INDEX REGISTER SET TO -2D OR -10D ACCORDING TO WHETHER THE EARTH OR MOON,
# * * RESPECTIVELY, IS THE CENTRAL BODY
# TAU. * +28 * DESIRED TRANSFER TIME IN CENTISECONDS (DP)
# * * MAY BE POS OR NEG AND ABSOLUTE VALUE MAY BE GREATER OR LESS THAN ONE ORBITAL PERIOD.
# XKEPNEW * +17 FOR EARTH* DP GUESS OF ROOT X OF KEPLERS EQN IN SQRT(METERS). SIGN SHOULD AGREE WITH THAT OF TAU.
# * +16 FOR MOON * AND ABS VALUE SHOULD BE LESS THAN THAT CORRESPONDING TO A PERIOD,VIZ, 2PI SQRT(SEMI-
# * * MAJOR AXIS),FOR SPEED OF CONVERGENCE,BUT IF EITHER CONDITION FAILS, XKEPNEW IS RESET
# * * BY KEPLER TO A POOR BUT VALID GUESS.
# TC * +28 * DP PREV. VALUE OF TIME IN CENTISECS. MUST BE LESS THAN ONE ORBITAL PERIOD.
# XPREV * +17 FOR EARTH* DP PREV. VALUE OF X IN SQRT(METERS). MUST BE LESS THAN AN X CORRESPONDING TO ONE
# * +16 FOR MOON * ORBITAL PERIOD,VIZ,2PI SQRT(SEMI-MAJOR AXIS)
#
#
# SUBROUTINES CALLED -
# DELTIME
#
#
# CALLING SEQUENCE AND NORMAL EXIT MODES -
#
# KEPRTN-2 GOTO # MUST BE IN INTERPRETIVE MODE BUT OVFIND ARBITRARY.
# KEPRTN-1 KEPLER # RETURNS WITH XPREV IN MPAC. PL IS AT 0.
# KEPRTN ... # CONTINUE
@ -126,20 +129,23 @@
# THE INTERRUPTED JOB. THEREFORE THE USER MUST CALL CSMCONIC OR LEMCONIC WHICH GUARANTEES NO INTERRUPTS AND WHICH
# ALSO CALLS KEPPREP TO COMPUTE A GUESS OF XKEPNEW.
#
#
# ABORT EXIT MODES -
# NONE
#
#
# OUTPUT -
# * SCALE FACTOR *
# VARIABLE *IN POWERS OF 2 * DESCRIPTION AND REMARKS
# -------- *-------------- * -----------------------
# RCV * +29 FOR EARTH * DP TERMINAL POSITION VECTOR IN METERS
# * +27 FOR MOON *
# VCV * +7 FOR EARTH * DP TERMINAL VELOCITY VECTOR IN METERS/CENTISEC
# * +5 FOR MOON *
# TC * +28 * DP TRANSFER TIME IN CENTISECS TO WHICH KEPLER CONVERGED. ALWAYS LESS THAN ONE PERIOD.
# XPREV * +17 FOR EARTH * DP VALUE OF X IN SQRT(METERS) TO WHICH KEPLER CONVERGED. ALWAYS LESS THAN THE X
# * +16 FOR MOON * CORRESPONDING TO ONE PERIOD.
#
# * SCALE FACTOR *
# VARIABLE *IN POWERS OF 2* DESCRIPTION AND REMARKS
# -------- *--------------* -----------------------
# RCV * +29 FOR EARTH* DP TERMINAL POSITION VECTOR IN METERS
# * +27 FOR MOON *
# VCV * +7 FOR EARTH * DP TERMINAL VELOCITY VECTOR IN METERS/CENTISEC
# * +5 FOR MOON *
# TC * +28 * DP TRANSFER TIME IN CENTISECS TO WHICH KEPLER CONVERGED. ALWAYS LESS THAN ONE PERIOD.
# XPREV * +17 FOR EARTH* DP VALUE OF X IN SQRT(METERS) TO WHICH KEPLER CONVERGED. ALWAYS LESS THAN THE X
# * +16 FOR MOON * CORRESPONDING TO ONE PERIOD.
# Page 1162
# FOR OTHER OUTPUT WHICH MAY BE OF USE, SEE DEBRIS.
#