Category:TDRS-D

**TDRS-4**
	decommissioned American communications satellite
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	Wikipedia
Instance of	Tracking and Data Relay Satellite; derelict satellite;
Part of	Tracking and Data Relay Satellite System;
Location	United States of America;
Operator	National Aeronautics and Space Administration;
Start point	Kennedy Space Center Launch Complex 39B;
Manufacturer	TRW Inc.;
Space launch vehicle	Space Shuttle (STS-29);
UTC date of spacecraft launch	13 March 1989 (14:57);
Type of orbit	geosynchronous orbit;
Significant event	rocket launch (1989, Kennedy Space Center Launch Complex 39B); service retirement (2011); spacecraft decommissioning (2012);
Nominal power output	1,700 watt;
Mass	2,108 kg (launch weight);
Width	14.2 m;
Length	17.3 m;
Follows	TDRS-3;
Followed by	TDRS-5;
Authority file
	Q7669869;
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Media in category "TDRS-D"

The following 6 files are in this category, out of 6 total.