[amsat-bb] Fwd: TISAT 1 Close Approach - 14 FEB 2011 17:57 UTC

[spacelab@supsi.ch]

A notification from the Joint Space Operations Center, Vandenberg Air 
Force Base, California USA is included below.

** from RT-sat Tracking
SL-8-DEB is
NORAD ID: 14803
Int'l Code: 1978-019D
Perigee: 638.7 km
Apogee: 643.0 km
Inclination: 74.0°
Period: 97.4 min
Semi major axis: 7,011.8 km
Launch date: February 17, 1978
Source: Commonwealth of Independent States (former USSR) (CIS)

Note: This is SATELLITE DEBRIS
**

>> Good luck TIsat-1!

Please everybody,
carefully monitor TIsat-1 tonight, after the "Close Approach" event and 
let the us know.

Thanks.
73 de HB9TYP, Paolo
(for the SSL-Team)

Current TLE for TIsat-1
TISAT-1
1 36799U 10035E   11039.11057425  .00000386  00000-0  57862-4 0  5638
2 36799  98.1183 106.0176 0014989 338.4407  21.6186 14.80307471 31213

TLE  of "Secondary Object: SCC# 14803"
SL-8-DEB
1 14803U 78019D   11044.31259166  .00000858  00000-0  12192-3 0  3166
2 14803 074.0339 031.3702 0003041 155.8770 204.2503 14.78616914598332


-------- Messaggio originale --------
Oggetto: TISAT 1 Close Approach
Data: Sun, 13 Feb 2011 22:52:14 -0800
Mittente: JSpOC Space Correspondence 
<JSpOCSpaceCorrespondence at vandenberg.af.mil>
A: <paolo.ceppi at supsi.ch>
CC: JSpOC Space Correspondence <JSpOCSpaceCorrespondence at vandenberg.af.mil>

Sir/Ma'am,

The United States Joint Space Operations Center (JSpOC) has identified a
predicted conjunction between TISAT 1 (SCC# 36799) and SCC# 14803.

Primary Object: TISAT 1 (SCC# 36799)
Secondary Object: SCC# 14803
Time of Closest Approach: 14 FEB 2011 17:57 UTC

Overall miss distance: 88 meters
Radial (dU) miss distance: 85 meters
In-Track (dV) miss distance: 19 meters
Cross-track (dW) miss distance: -15 meters

Primary Radial Error (U):  5 meters
Primary In-track Error (V):  140 meters
Primary Cross-track Error (W):  2 meters

Secondary Radial Error (U):  21 meters
Secondary In-track Error (V):  353 meters
Secondary Cross-track Error (W):  19 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.  Please contact us if there are any
questions.

Very Respectfully,

JSpOC Orbital Protection Team
Joint Space Operations Center
Vandenberg Air Force Base, California USA
Comm: 1-805-605-3533
Fax:  1-805-605-3507
JSpOCSpaceCorrespondence at vandenberg.af.mil

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