Launch · COSPAR 1990-031 · 11 Apr 1990

USA 56

Name: Launch 1990-031 — USA 56
Start: 1990-04-11
Location: Vandenberg Space Force Base (Western Range), California

Payloads

Catalogued objects

payloads + rocket bodies + debris

Still on orbit

Decayed

11% of objects

Owners (SATCAT owner codes)

Catalogue

Objects from this launch · 9

Payload Payload · 3

Name	NORAD	COSPAR	Status	Orbit	Perigee / apogee	Incl.	Decayed	Operator
USA 56 USA (classified US military payloads)	20560	1990-031A	Unknown	LEO	595 / 678 km	89.86°	on orbit	National Reconnaissance Office
USA 57 USA (classified US military payloads)	20561	1990-031B	Unknown	LEO	602 / 699 km	89.85°	on orbit	National Reconnaissance Office
USA 58 USA (classified US military payloads)	20562	1990-031C	Unknown	LEO	596 / 684 km	89.85°	on orbit	National Reconnaissance Office

Rocket body Rocket body · 1

Name	NORAD	COSPAR	Status	Orbit	Perigee / apogee	Incl.	Decayed	Operator
ATLAS 28E R/B	20563	1990-031D	Inactive	LEO	589 / 667 km	89.87°	on orbit	—

Debris Debris · 5

Name	NORAD	COSPAR	Status	Orbit	Perigee / apogee	Incl.	Decayed	Operator
ATLAS 28E DEB	20564	1990-031E	Inactive	LEO	568 / 637 km	89.85°	on orbit	—
ATLAS 28E DEB	20565	1990-031F	Inactive	LEO	566 / 632 km	89.91°	on orbit	—
ATLAS 28E DEB	20575	1990-031G	Inactive	LEO	541 / 578 km	90.34°	on orbit	—
ATLAS 28E DEB	20576	1990-031H	Inactive	LEO	448 / 481 km	89.41°	on orbit	—
USA 56-58 DEB	24636	1990-031J	Decayed	LEO	347 / 352 km	89.75°	03 Jun 2000	—

Record

Timeline

No events recorded for this launch or its objects.

This launch is derived from catalogued objects sharing the international designator 1990-031; date and site come from SATCAT. See the methodology.