TDO 3, 4

TDO (Technology Demonstration Orbiter) is a series of USAF SMC missions to test technologies on orbit. It is a 12U CubeSat.

Two more of these satellite, TDO 3 and TDO 4 flew as a secondary payloads on the aft bulkhead carrier (ABC) of the Atlas-5(421) rocket launching SBIRS-GEO 5. They are carrying multiple U.S. Government sponsored payloads that will provide critical experimental data for the United States Air Force Academy (USAFA). The Department of Astronautics at USAFA was the sponsor for TDO-3 and TDO-4. Both will be seperated before the main payload.

Nation: USA
Type / Application: Calibration
Operator: US Air Force (USAF) SMC
Contractors: ?
Equipment: ?
Configuration: CubeSat (12U)
Propulsion: None
Power:
Lifetime:
Mass:
Orbit:
Satellite COSPAR Date LS Launch Vehicle Remarks
TDO 3 (EZ 3) 2021-042B 18.05.2021 CC SLC-41 Atlas-5(421) with SBIRS-GEO 5, TDO 4
TDO 4 (EZ 4) 2021-042C 18.05.2021 CC SLC-41 Atlas-5(421) with SBIRS-GEO 5, TDO 3

Launch Sites:

  • CC =   Cape Canaveral Space Force Station, Eastern Test Range, Cape Canaveral, Florida, USA   USA

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