[amsat-bb] Re: ARRISSat-1 (37772) decay date update for 2011 Dec 14
Alan P. Biddle
APBIDDLE at UNITED.NET
Wed Dec 14 14:32:03 PST 2011
Thanks for the update. A good opportunity for a shameless plug for those
who have been sending the ARISSat-1 team telemetry to keep it coming. You
may well be the one to capture and send the last data!
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
Behalf Of DeYoung James
Sent: Wednesday, December 14, 2011 3:04 PM
Subject: [amsat-bb] ARRISSat-1 (37772) decay date update for 2011 Dec 14
It is time for another decay date prediction update.
As the satellite has gotten lower the atmospheric drag has
increased significantly. This prediction update uses solar data
through 2011 Dec. 14. The fit only includes orbital height
data between Dec. 9 and Dec. 14.
The decay date now indicated is 2011 Dec. 31 with
a rule-of-thumb error estimate of about +/- 3 days giving a decay
date ranging between 2011 Dec 28 to 2012 Jan 3.
Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
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