USA-227

 2011-011A

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D4M+(4,2) SDS 17? Geostationary mission.

Second stage probably in GTO? Launch sequence times guessed based on GOES.

In Apr 2013 hobbyists tracked the object thought to be USA 227 in a rapid eastward drift orbit.

NROL-27
Date	Time	Event	Orbit
2011 Mar 11	2257	Launch by Delta 4M+(4,2) 353	CC SLC37
		T+1:34 SRM burnout
		T+1:40 SRM sep
		T+4:01 MECO
		T+4:07 St 1 sep
		T+4:26 St 2 burn
		T+4:36 Fairing sep
	2309?	T+12:40? SECO-1	190? x 550? x 28.4
	2320?	T+23:00? SES-2
	2324?	T+27:00? SECO-2	665.9 269 x 37496 x 26.5 (UN)
2011 Mar 12	0307?	T+4:10? SES-3
	0308?	T+4:11? SECO-3	6600? x 35200? x 13.0?
	0318?	T+4:21? Delta sep
		Delta depletion
		LAM burns
2011 Mar 20?		GEO	35780 x 35800 x 0 ?
2011 Apr 8			1436.09 35782 x 35791 x 4.9 GEO 30.4W
2011 Jul 6			1436.12 35767 x 35806 x 4.9 GEO 30.0W
2011 Jul		Move to 10W
2011 Aug 9			1436.12 35772 x 35801 x 4.9 GEO 10.0W
2013 Feb 28			1436.12 35770 x 35803 x 4.8 GEO 9.9W
2013 Apr 1		Move out	1401.18 35083 x 35117 x 4.8 GEO 12.4W+9.0E/d
2014 Mar 1		Move in	1436.12 35772 x 35801 x 4.8 GEO 92.6E
2014 May 6		Adjust loc	1436.12 3538 x 35835 x 4.8 GEO 91.7E
2016 Jun 8			1436.12 35772 x 35801 x 4.7 GEO 92.1E