WGS 9 search elements

From: Ted Molczan via Seesat-l <seesat-l_at_satobs.org>
Date: Sat, 18 Mar 2017 03:22:13 -0400
The launch of Wideband Global SATCOM (WGS 9) from Cape Canaveral on a Delta 4 Medium+(5,4) is scheduled for a 75 minute
window that opens on 2017 Mar 18 at 23:44 UTC.

https://spaceflightnow.com/2017/03/17/d377_journal/

I offer the following rough TLE of the orbit after the second burn of the 2nd stage, assuming launch at window-open: 

SECO-2                                                 434 X 44372 km
1 78920U          17078.01151620  .00000000  00000-0  00000-0 0    08
2 78920  27.0000   1.5000 7633000 177.8404   2.5000  1.77840000    07

The 2nd stage is scheduled to perform a 10.2 s de-orbit burn at T+1:11:44.6, or Mar 19 00:5545 UTC, assuming launch at
window-open. Ocean impact would occur about 11 h later near 14 N, 156 E.

Ted Molczan


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Received on Sat Mar 18 2017 - 02:22:53 UTC

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