List of TDRS satellites
This is a list of Tracking and Data Relay Satellites. TDRS spacecraft are all in geostationary orbit and are operated by the United States National Aeronautics and Space Administration, and are used for communication between NASA facilities and spacecraft,[1] including the Space Shuttle, Hubble Space Telescope, and International Space Station.
As of 1 March 2019, 12 of the TDRS satellites launched were operational, two (TDRS-3, TDRS-5) had been placed in storage, two (TDRS-1 and TDRS-4) had been retired, and one (TDRS-B) had been lost in a launch failure.[2][3][4]
Satellites
Generation | Designation | Launch, UTC | Launch vehicle | Launch site | Longitude | Status | Retirement | Remarks | |
---|---|---|---|---|---|---|---|---|---|
Launch | Operational | ||||||||
First | TDRS-A | TDRS-1 | 4 April 1983 18:30:00[5] | Space Shuttle Challenger/IUS (STS-6)[6] | Kennedy, LC-39A | 41° W, 62° W, 171° W | Retired[4] | 27 June 2010[7] | IUS malfunctioned, raised orbit using maneuvering thrusters. End of life October 2009.[8] Placed in a graveyard orbit on 27 June 2010.[4] |
TDRS-B | N/A | 28 January 1986 16:38:00[5] | Space Shuttle Challenger/IUS (STS-51-L) | Kennedy, LC-39B | N/A | Destroyed | 28 January 1986 16:39:13 | Launch failure Shuttle disintegrated during ascent | |
TDRS-C | TDRS-3 | 29 September 1988 15:37:00[5] | Space Shuttle Discovery/IUS (STS-26R)[6] | Kennedy, LC-39B | 62° W[4] | In storage[4] | December 2011[9] | ||
TDRS-D | TDRS-4 | 13 March 1989 14:57:00[5] | Space Shuttle Discovery/IUS (STS-29R)[6] | Kennedy, LC-39B | Retired[4] | April/May 2012[10] | Placed in a graveyard orbit.[4] | ||
TDRS-E | TDRS-5 | 2 August 1991 15:02:00[5] | Space Shuttle Atlantis/IUS (STS-43)[6] | Kennedy, LC-39A | 167° W[4] | In storage[4] | |||
TDRS-F | TDRS-6 | 13 January 1993 13:59:30[5] | Space Shuttle Endeavour/IUS (STS-54)[6] | Kennedy, LC-39B | 46° W[4] | Active[4] | |||
TDRS-G | TDRS-7 | 13 July 1995 13:41:55[5] | Space Shuttle Discovery/IUS (STS-70) | Kennedy, LC-39B | 85° E[4] | Active[4] | Replaced TDRS-B | ||
Second | TDRS-H | TDRS-8 | 30 June 2000 12:56[5] | Atlas IIA | Canaveral, SLC-36A | 89° E[4] | Active[4] | ||
TDRS-I | TDRS-9 | 8 March 2002 22:59[5] | Atlas IIA | Canaveral, SLC-36A | 12° W[4] | Retired[4] | |||
TDRS-J | TDRS-10 | 5 December 2002 02:42[5] | Atlas IIA | Canaveral, SLC-36A | 171° W[11] | Active[4] | |||
Third | TDRS-K | TDRS-11 | 31 January 2013 01:48:00 | Atlas V 401 | Canaveral, SLC-41 | 174° W[11] | Active[4] | USD$350 million cost, paid to Boeing under a firm-fixed price (FFP) contract.[12] | |
TDRS-L | TDRS-12 | 24 January 2014 02:33:00[13] | Atlas V 401 | Canaveral, SLC-41 | 41° W[4] | Active[4] | USD$350 million cost, FFP contract.[12] | ||
TDRS-M | TDRS-13 | 18 August 2017 12:29:00 [14] | Atlas V 401[14] | Canaveral, SLC-41[14] | 49° W | Active | USD$289 million firm-fixed-price contract option with Boeing; option exercised in November 2011, ahead of expiry on 30 November 2012.[12] | ||
TDRS-N | Option not exercised[15][16] |