Payload
USA 550
OperationalPayloadLEO
USA 550 is a United States payload satellite, launched on July 31, 2025 into LEO.
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Launch
- Launch date
- July 31, 2025 at 06:35 PM UTC
- Launch site
- Vandenberg SFB, USA
- Launched by
- Falcon 9 Block 5 →
- Operator
- SpaceX
- Mission
- Starlink Group 13-4
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 449 km
- Periapsis
- 447 km
- Inclination
- 97.6°
- Orbital period
- 93.55 min
Spacecraft
- Operator
- United States
- Launch mass
- 800 kg
Identity
- COSPAR (Int'l)
- 2025-165W
- NORAD catalog №
- 65076
- Object type
- Payload
- Owner / operator
United States- Status
- Operational
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