STS 121: NASA estimated elements

From: Ted Molczan (seesat-list@rogers.com)
Date: Sun Jul 02 2006 - 08:46:28 EDT

  • Next message: Patrick Schmeer: "Re: STS 121: NASA estimated elements"

    Lift-off is scheduled for 2006 Jul 02 at 19:26:06 UTC. Spaceflight Now reports
    that the weather forecast is for only a 30 percent probability of GO for launch:
    
    http://www.spaceflightnow.com/shuttle/sts121/status.html
    
    NASA's estimated elements are available at the following URL. They take into
    account all planned manoeuvres, and are revised  throughout the mission, as
    required.
    
    http://spaceflight1.nasa.gov/realdata/sightings/SSapplications/Post/JavaSSOP/orb
    it/SHUTTLE/SVPOST.html
    
    For quick reference, I have extracted the elsets from MECO through docking.
    
    1. Jul 02, 19:36:34 UTC (MECO) - Jul 02, 20:04:45 UTC
    
    1 99999U          06183.81706019  .01000000  00000-0  37638-6 0    02
    2 99999  51.6315 107.4812 0133623 347.8400  69.9204 16.48996984    09
    
    NOTE: NASA's MECO 2-line elset is erroneous; so I generated the above by
    converting NASA's True of Day Rotating
    (TDR) [aka Earth-Fixed Greenwich (EFG)] Cartesian state vector to SGP4, using
    Ken Ernandes' VEC2TLE program, and added realistic decay terms for the brief
    duration of existence of the orbit. Our web site has a link to Ken's program:
    
    http://www.satobs.org/orbsoft.html#Other
    
    
    2. Jul 02, 20:04:45 UTC - Jul 03, 11:25:57 UTC
    
    1 99999U          06183.86828433  .00014500  00000-0  95600-4 0  9012
    2 99999  51.6315 107.1944 0055919 341.8910  18.0289 16.30320029    25
    
    
    3. Jul 03, 11:25:57 UTC - Jul 03, 16:01:09 UTC
    
    1 99999U          06184.48096052  .00014500  00000-0  95600-4 0  9026
    2 99999  51.6338 103.7803 0075880 339.8798  19.9405 16.25901597   126
    
    
    4. Jul 03, 16:01:09 UTC - Jul 03, 21:02:19 UTC
    
    1 99999U          06184.72675604  .00014500  00000-0  95600-4 0  9030
    2 99999  51.6304 102.4155 0074319 340.6093  19.2273 16.26481625   165
    
    
    5. Jul 03, 21:02:19 UTC - Jul 04, 11:20:37 UTC
    
    1 99999U          06184.91191402  .00014500  00000-0  95600-4 0  9041
    2 99999  51.6279 101.3924 0067724 147.0385 213.5038 15.93209272   193
    
    
    6. Jul 04, 11:20:37 UTC - Jul 04, 12:51:50 UTC
    
    1 99999U          06185.47638584  .00014500  00000-0  95600-4 0  9051
    2 99999  51.6296  98.4155 0010064  87.8137 272.4181 15.78424640   289
    
    
    7. Jul 04, 12:51:50 UTC - Jul 04, 14:11:14 UTC
    
    1 99999U          06185.53969537  .00014500  00000-0  95600-4 0  9064
    2 99999  51.6310  98.0883 0010018  46.9068 313.2933 15.76762016   298
    
    
    8. Jul 04, 14:11:14 UTC - Jul 04, 14:25:06 UTC
    
    1 99999U          06185.60307278  .00014500  00000-0  95600-4 0  9071
    2 99999  51.6314  97.7612 0009245  38.9159 321.2669 15.76455737   306
    
    
    9. Jul 04, 14:25:06 UTC - Jul 04, 15:40:00 UTC
    
    1 99999U          06185.60307255  .00014500  00000-0  95600-4 0  9087
    2 99999  51.6317  97.7611 0010246  36.0397 324.1457 15.76223425   308
    
    
    10. Jul 04, 15:40:00 UTC (docked to ISS)
    
    1 99999U          06185.66721116  .00014500  00000-0  95600-4 0  9090
    2 99999  51.6300  97.4474 0010473  36.1450 324.0420 15.76118558   317
    
    Ted Molczan
    
    
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