USA 305, 306, 307 & 308 (NROL 129 PL1/4)

USA

Spacecraft nº:

US spacecraft nº:

Launch data:

Designation	USA 305	USA 306	USA 307	USA 308
NROL	129 PL1	129 PL2	129 PL3	129 PL4
NORAD-ID	45873	45874	45875	45876
Int. code	20046A	20046B	20046C	20046D
Launch date	15 Jul 2020 - 13:46 UTC
Launch site	WI, LA-0B (MARS LA0B)
Launch vehicle	Minotaur-4
Mission	Sigint?
Earth orbit:
Perigee / Apogee	569 x 580 km		572 x 579 km
Inclination	54.0 °
Period	96.1 min
Decay

4 satellites launched together.

Spacecraft data:

Prime manufacturer
Platform
Operator
Mass at launch	kg
Dry Mass	kg
Basic shape
Dimension (m)
Equipment
Solar array
Stabilization
Propulsion
DC power
Design lifetime

Mission details:

A Northrop Grumman Minotaur IV was launched from Launch Area 0B at the Mid-Atlantic Regional Spaceport (MARS) on Wallops Island on Jul 15, 2020. It placed four secret National Reconnaissance Office satellites in orbit.

External links:

Satellite tracking: Real time satellite tracking

Ref.: #7(JR781-782), #228 - update: 12.09.20