[amsat-bb] Re: Fw: Update: OSCAR 7 Close Approach Notification

Bob- W7LRD w7lrd at comcast.net
Wed Apr 3 08:55:42 PDT 2013

Still working at CN87 ( Seattle) this morning at 1554Z. Good down link on 29.450. 
73 Bob W7LRD 

----- Original Message -----
From: "Andrew Glasbrenner" <glasbrenner at mindspring.com> 
To: "amsat-bb" <amsat-bb at amsat.org> 
Sent: Wednesday, April 3, 2013 8:02:57 AM 
Subject: [amsat-bb] Fw: Update: OSCAR 7 Close Approach Notification 

This was a little close...I'm interested in reports of AO-7 after 14:13Z today. 

73, Drew KO4MA 

>The United States Joint Space Operations Center (JSpOC) has updated a 
>predicted conjunction between OSCAR 7 (SCC# 7530) and SCC# 10306. 
>Primary Object: OSCAR 7 (SCC# 7530) 
>Secondary Object: SCC# 10306 
>Time of Closest Approach: 03 APR 2013 14:13 UTC 
>Overall miss distance: 119 meters 
>Radial (dU) miss distance: 118 meters 
>In-Track (dV) miss distance: 12 meters 
>Cross-track (dW) miss distance: 13 meters 
>Primary Radial Error (U): 8 meters 
>Primary In-Track Error (U): 23 meters 
>Primary Cross-track Error (U): 14 meters 
>Secondary Radial Error (U): 256 meters 
>Secondary In-Track Error (U): 4140 meters 
>Secondary Cross-Track Error (U): 858 meters 

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