Re: NROL-47 search elset and identity

From: Allen Thomson via Seesat-l <seesat-l_at_satobs.org>
Date: Tue, 9 Jan 2018 17:11:39 +0000 (UTC)
> The launch hazard areas and Upper Stage deorbit hazard area from the Broadcast Warnings point to an unusual orbital inclination: 108.6 degrees.


This is interestingly close to a retrograde version of the Tselina 2 71 degree prograde orbits, which seem to exploit a 14th order resonance(*) to inhibit decay. Those with the resources to do so might want to keep an eye on this satellite and model its orbit to see if it does anything similar.


(*) Mike McCants has called this "longitude surfing", which is both amusing and accurate. :-)
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Received on Tue Jan 09 2018 - 11:13:12 UTC

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