= Block 12 - Install new PCK/TPC =


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== Description ==

New planetary constants, or an update RA and DEC of Bennu pole, rotation rate, etc.

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== Procedure if parameters change a small amount (<3 deg) ==

 * Capture state of system by running RESIDUALS and make a copy somewhere for comparison
 * Update INIT_LITHOS.TXT and make_sumfiles.txt with new PCK/TPC
 * Run MAKE_SUMFILES Option 1 to update the NOMINALS
 * Capture state of system by running RESIDUALS again... did the s/c move the amount you would expect?
 * Run DYNAMICS to set the sigmas to their proper value
 * Update INIT_LITHOS.TXT to turn off overlaps and limbs on the LMK solution (stereo only) WB=1 WO=0 WL=0 WR=0.
 * PIC_WEIGHT = 1 0 1 1 0
 * GEOMETRY 210-3-n-n
 * Reset INIT_LITHOS.TXT initial values
 * GEOMETRY 210-3-n-n
 * Iterate

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== Procedure if parameters change a large amount (<10 deg) ==

Similar to above, but requires an additional step to make sure the NOMINALS move as far as they should.

 * Capture state of system by running RESIDUALS and make a copy somewhere for comparison
 * Update INIT_LITHOS.TXT and make_sumfiles.txt with new PCK/TPC
 * Run MAKE_SUMFILES Option 1 to update the NOMINALS
 * Capture state of system by running RESIDUALS again... did the s/c move the amount you would expect?
 * Make sure the sigmas in NOMINALS are small so that the next step brings the SUMFILES close to the NOMIALS
 * GEOMETRY 20-15-n-n
 * Run DYNAMICS to set the sigmas to their proper value
 * Update INIT_LITHOS.TXT to turn off overlaps and limbs on the LMK solution (stereo only) WB=1 WO=0 WL=0 WR=0.
 * PIC_WEIGHT = 1 0 1 1 0
 * GEOMETRY 210-3-n-n
 * Reset INIT_LITHOS.TXT initial values
 * GEOMETRY 210-3-n-n
 * Iterate


''(Compiled by JW)''