Re: Paper: Perturbations In Perigee And Eccentricity At The Critical Inclination

From: Allen Thomson via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 30 Jul 2015 21:28:49 +0000 (UTC)
I will shamelessly use this opportunity to point to my favorite examples of gravitational perturbations that, I have to suspect, are used deliberately to maintain desired orbits. Those, of course, are the Tselina-2 ELINTs ~71.0°, ~840 km near-circular orbits, the exemplar of which was Cosmos 1603 (1984-106A). They did and do perform feats of what Mike McCants, IIRC, has termed "longitude surfing." The net effect of that is to pump energy into the orbit so that mean altitude is maintained against drag for protracted periods of time. Just what that accomplishes in terms of the mission of the satellites and their constellation has yet to be explained.


http://www.sciencedirect.com/science/article/pii/003206339190082L

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Received on Thu Jul 30 2015 - 16:33:57 UTC

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