[amsat-bb] Fw: UPDATE: DELFI C3 Close Approach Message

Peter Portanova wb2oqq at verizon.net
Sun Jul 8 09:09:31 PDT 2012


Hello,

UPDATE #2

73 WB2OQQ


Subject: UPDATE: DELFI C3 Close Approach Message

Sir/Ma'am,

The United States Joint Space Operations Center (JSpOC) has updated a
predicted conjunction between DELFI C3 (SCC# 32789) and SCC# 15495.

Primary Object: DELFI C3 (SCC# 32789)
Secondary Object: SCC# 15495
Time of Closest Approach: 10 JUL 2012 12:49 UTC

Overall miss distance: 303 meters
Radial (dU) miss distance: -75 meters
In-Track (dV) miss distance: -4 meters
Cross-track (dW) miss distance: -294 meters

Primary Radial Error (U): 37 meters
Primary In-track Error (V): 1580 meters
Primary Cross-track Error (W): 11 meters

Secondary Radial Error (U): 13 meters
Secondary In-track Error (V): 138 meters
Secondary Cross-track Error (W): 9 meters

Please reply to this message to acknowledge receipt of this close approach
notification.

It is possible to provide another estimate using owner/operator ephemeris
data.  If the satellite operator is interested please have them reply to all
addresses listed in the Cc line.  Email is the preferred method of
communication.

Thank you for your time and assistance.  Very Respectfully,

JSpOC Orbital Protection Team
Joint Space Operations Center
Vandenberg Air Force Base, California USA

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