Re: Two extra orbit variants (Re: NROL-47 search elset and identity)

From: C. Bassa via Seesat-l <>
Date: Wed, 10 Jan 2018 18:23:03 +0100
The launch has been scrubbed for today due to high winds. Next try
tomorrow, with a 90% chance of favorable weather.

William Graham remarked that the ~108 deg inclination of NROL-47 may
have similarities with the Onyx/Lacrosse orbits, which used 57 and 68
deg inclined orbits. The retrograde variants of those inclinations are
123 deg and 112 deg, suggesting that NROL-47 might target an orbit at
112 deg inclination. Leaked documents account for Topaz/FIA Radar 1-5,
and it is unclear if more Topaz satellites will be launched in the
future. NROL-47 is the last single core Delta IV launch (only Delta IV
Heavy launches are planned for the future), and no further Atlas V
501's, which launched FIA Radars 1 and 3, are currently planned. See
for William's article.

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Received on Wed Jan 10 2018 - 11:24:35 UTC

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