TDRS-L
| File:TDRS-L.jpg
TDRS-L in its payload shroud, being hoisted atop its Atlas V launcher
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| Mission type | Communications |
|---|---|
| Operator | NASA |
| COSPAR ID | 2014-004A |
| SATCAT № | 39504 |
| Mission duration | 15 years (planned) |
| Spacecraft properties | |
| Bus | BSS-601HP |
| Manufacturer | Boeing |
| Launch mass | 3,454 kg (7,615 lb)[1] |
| Start of mission | |
| Launch date | January 24, 2014, 02:33:00 UTC[2] |
| Rocket | Atlas V 401 |
| Launch site | Cape Canaveral SLC-41 |
| Contractor | United Launch Alliance |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geosynchronous orbit |
| Perigee | 35,785 kilometers (22,236 mi)[3] |
| Apogee | 35,797 kilometers (22,243 mi)[3] |
| Inclination | 6.77 degrees[3] |
| Period | 1436.03 minutes[3] |
| Epoch | January 22, 2015, 07:10:47 UTC[3] |
| File:TDRS L Project fairing logo.png | |
TDRS-L, to be renamed TDRS-12 upon entry into service, is an American communications satellite operated by NASA as part of the Tracking and Data Relay Satellite System. The twelfth Tracking and Data Relay Satellite, it is the second third-generation spacecraft to be launched, following TDRS-11 in 2013.[4]
Contents
Spacecraft
TDRS-L was constructed by Boeing, based on the BSS-601HP satellite bus. Fully fueled, it has a mass of 3,454 kg (7,615 lb), with a design life of 15 years.[1] It carries two steerable antennae capable of providing S, Ku and Ka band communications for other spacecraft, with an additional array of S-band transponders for lower-rate communications with five further satellites.[4] The satellite is powered by two solar arrays, which produce 2.8 to 3.2 kilowatts of power, while an R-4D-11-300 engine is present to provide propulsion.[1][5]
Launch
The United Launch Alliance was contracted to launch TDRS-L. The spacecraft was launched on January 24, 2014 at 02:33 UTC (21:33 local time on January 23).[2] An Atlas V rocket was used, flying in the 401 configuration, with tail number AV-042.[5]After launch, TDRS-L was deployed into a high-perigee geosynchronous transfer orbit.[6] The spacecraft raised itself into a geosynchronous orbit using its onboard propulsion system.
Gallery
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TDRS-L.jpg
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TDRS-L Countdown Underway.jpg
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References
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- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 3.3 3.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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Italics denotes launch failures.
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