R: MUOS 1: pre-launch estimated orbital elements

satrack@libero.it

I have just uploaded these three TLEs into the tracking site. The following 
temporary link can be used: 

http://www.satflare.com/track.php?q=tempmuos

(all the three TLEs will be displayed. Focus is on MECO 1).

Best regards,
Simone

>----Messaggio originale----
>Da: ssl3molcz@rogers.com
>Data: 16-feb-2012 15.37
>A: <seesat-l@satobs.org>
>Ogg: MUOS 1: pre-launch estimated orbital elements
>
>MUOS 1 is scheduled for launch today from CCAFS, on an Atlas V-551. The 
launch window is from 2012 Feb 16 22:46 to 23:30
>UTC.
>
>Information on the launch is available here:
>
>http://www.spaceflightnow.com/atlas/av030/status.html
>
>The following *rough* TLEs are based on launch at window-open.
>
>MECO 1                                                   167 X 624 km
>1 79601U          12047.95718750  .00000000  00000-0  00000-0 0    02
>2 79601  28.0000 308.8000 0337670 130.0000   3.3000 15.58830000    00
>
>MECO 2                                                 193 X 34447 km
>1 79602U          12047.96724537  .00000000  00000-0  00000-0 0    04
>2 79602  26.0000 311.2000 7227302 179.9293   1.5500  2.38040000    02
>
>MECO 3                                                3463 X 35786 km
>1 79603U          12048.07203934  .00000000  00000-0  00000-0 0    01
>2 79603  19.0000 326.7000 6215271 179.0000  74.6500  2.07084000    09
>
>Spacecraft separation is planned to occur at T+3:01:23. Soon afterward, the 
Centaur will conduct a Collision and
>Contamination Avoidance Maneuver (CCAM), followed by a blow-down of remaining 
Centaur propellants. The typical Centaur
>end of mission occurs 4400 s after spacecraft separation.
>
>I have not evaluated visibility windows, but based on a quick look, it 
appears that the CCAM and blow-down will occur
>within range of Western Australia, but well after sunrise. Prospective 
observers should use the MECO 3 TLE to evaluate
>visibility.
>
>Eventually, the payload will enter an inclined GEO orbit in one of the 
existing UFO slots.
>
>Ted Molczan
>
>
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