RE: NROL-55 search elements

Observed NROL-55 in Pegasus at 1931UTC .
Leading object was fainter . The trailing object gave a splendid flare passing above gamma Peg. It was visible naked eye for a while afterwards.
 
JP Cornec
COSPAR 3022
 
 
 
 
> Message du 08/10/15 15:24
> De : "Ted Molczan via Seesat-l" 
> A : seesat-l_at_satobs.org
> Copie à : 
> Objet : RE: NROL-55 search elements
> 
> Lift-off was at 12:49:30 UTC - 30 s later than the basis for my estimated TLEs. Since the difference is likely to be
> within the margin of uncertainty for observers tonight, it is not necessary to revise them.
> 
> NOSS 3-7 1013 X 1200 km
> 1 79701U 15281.61469908 .00000000 00000-0 00000-0 0 07
> 2 79701 63.4283 292.5778 0124892 180.5274 352.9095 13.40429195 06
> 
> Centaur final orbit 459 X 775 km
> 1 79702U 15281.65902778 .00000000 00000-0 00000-0 0 09
> 2 79702 64.6863 291.3514 0225821 294.8437 113.6381 14.83391172 04
> 
> The above are derived from the NOSS 3-6 launch. Twenty-four hours after launch, allow for at least several minutes time
> error, and several degrees of track error on high elevation passes.
> 
> In the northern hemisphere, the NOSS orbit will be well-placed for all night observation. Southern hemisphere observers
> will have evening visibility, but near twilight.
> 
> Based on the current forecast, I expect to be clouded out tonight.
> 
> I expect to be unavailable for orbit analysis from roughly 20:00 UTC to 00:00 UTC.
> 
> Ted Molczan
> 
> 
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