List of TDRS satellites

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This is a list of Tracking and Data Relay Satellites. TDRS spacecraft 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 January 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[edit]

Designation Launch (UTC) Rocket Launch Site Longitude Status Retirement Remarks
Launch Operational

First generation[edit]

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.[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 generation[edit]

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] Active[4]
TDRS-J TDRS-10 5 December 2002
02:42[5]
Atlas IIA Canaveral SLC-36A 174°W[4] Active[4]

Third generation[edit]

TDRS-K TDRS-11 31 January 2013
01:48:00
Atlas V 401 Canaveral SLC-41 171°W[4] Active[4] USD$350 million cost, paid to Boeing under a firm-fixed price (FFP) contract.[11]
TDRS-L TDRS-12 24 January 2014
02:33:00[12]
Atlas V 401 Canaveral SLC-41 41°W[4] Active[4] USD$350 million cost, FFP contract.[11]
TDRS-M TDRS-13 18 August 2017
12:29:00[13]
Atlas V 401[13] Canaveral SLC-41[13] 49°W Active USD$289 million firm-fixed-price contract option with Boeing; option exercised in November 2011, ahead of expiry on 30 Nov 2012.[11]
TDRS-N Option not exercised[14][15]

References[edit]

  1. ^ "NASA'S Tracking and Data Relay Satellite". NASA Facts Online. December 1992. Retrieved 2009-06-25.
  2. ^ "Northrop Grumman-Built TDRS-1 Satellite Reaches 25 Years of Operational Success and Sets New Standard for Longevity, Reliability". Reuters. 2008-04-07. Retrieved 2009-06-25.
  3. ^ "TDRS: 25 Years of Connecting Space To Earth". NASA. 2008-05-16. Retrieved 2009-06-25.
  4. ^ a b c d e f g h i j k l m n o p q r s t u v w "Tracking and Data Relay Satellite (TDRS) Fleet". NASA. 30 July 2015. Retrieved 25 December 2016.
  5. ^ a b c d e f g h i j McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2009-06-25.
  6. ^ a b c d e "NASA'S Tracking and Data Relay Satellite". NASA Facts Online. December 1992. Retrieved 2009-06-25.
  7. ^ http://www.nasa.gov/home/hqnews/2010/jun/10-154_TDRS_Retirement.html
  8. ^ "TDRS-1 Satellite Reaches 25 Years Of Age". Space Mart. 2008-04-08. Retrieved 2009-06-24.
  9. ^ "Tracking and Data Relay Satellite (TDRS)". NASA. 13 November 2013. Retrieved 5 February 2014.
  10. ^ "TDRS-4 Mission Complete; Spacecraft Retired From Active Service". NASA. 8 May 2012. Retrieved 11 May 2012.
  11. ^ a b c "TDRS-K Launch Caught Up In Cascade of Fla. Delays". Space News. 2012-11-02. Retrieved 2012-11-05.
  12. ^ Graham, William (23 January 2014). "ULA opens 2014 campaign with Atlas V launch of TDRS-L". NASASpaceflight.com. Retrieved 23 February 2014.
  13. ^ a b c "Spaceflight Now Launch Schedule". SpaceflightNow.com. Retrieved 17 August 2017.
  14. ^ Leone, Dan (12 March 2014). "NASA Wants Laser Communications for TDRS Follow-on, Needs Industry Money First". SpaceNews.com. Retrieved 11 April 2017.
  15. ^ Krebs, Gunter. "TDRS 11, 12, 13". Retrieved 11 April 2017.