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TDO is an USAF SMC mission to test orbital debris tracking technologies. It is a 12U CubeSat.

TDO flies as a secondary payload on the aft buckhead carrier (ABC) of the Atlas-5(551) rocket launching AEHF 5. It will be seperated before the main payload.

Nation: USA
Type / Application: Technology
Operator: USAF SMC
Equipment: ?
Configuration: CubeSat (12U)
Power: Solar arrays, batteries
Satellite COSPAR Date LS Launch Vehicle Remarks
TDO (EZ 1) 2019-051B 08.08.2019 CC SLC-41 Atlas-5(551) with AEHF 5