Space Force Awards $437M to Viasat, SES for Military Satcom | KeepTrack Space Brief
Space Force contracts Viasat and SES for $437M Protected Tactical Satcom-Global program. Four new GEO satellites replace vulnerable single-satellite systems.
OPS 5543 (01457)
COSPAR: N/A | Alt Name: OPS 5543
DECAYED
Image
Additional Sources
Launch Details
Launch Date
July 19, 1965
Launch Site
AFWTR
Launch Pad
PALC1-1
Launch Vehicle
Thor SLV-2A Agena D
Orbital Elements
NORAD ID
01457
International Designator
N/A
Decay Date
8/18/1965
Explore in the Catalog
Basic Satellite Info
Name
OPS 5543
Alternative Name
OPS 5543
Type
Payload
Status
Decayed
Owner
NRO/CIA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Physical Characteristics
Length
2.1
Diameter
1.3
Span
2.1
Dry Mass
210
Launch Mass
210
Shape
Cyl
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
CORONA J-22
Purpose
Unknown
Mission
Unknown
Manufacturer
LMSC
Life Expectancy
Unknown
Bus
CORONA KH-4A
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
X Report 14 Dec 2024
SpaceX advances with Starship readiness, scrubs mysterious RRT-1 launch, and successfully deploys more Starlink satellites.
X Report 21 Mar 2025
SpaceX achieves a historic rocket reuse milestone and successfully launches NRO satellites, alongside charming interactions during Crew-9 Dragon recovery.
Space Brief 19 Aug 2025
Today's briefing covers Rocket Lab's strategic acquisition, Space Dynamics Lab's new collaboration with the Space Force, and shifts within the Pentagon's AI division.
L3Harris, Sierra Space Win $1.75B Missile-Tracking Satellite Contract | KeepTrack Space Brief
L3Harris and Sierra Space awarded $1.75 billion to build 36 missile-tracking satellites for SDA's Tracking Layer constellation. Hypersonic and ballistic missile detection from low Earth orbit.
Falcon 9 Lands in Bahamas for 2nd Time, Reentry Pollution Measured | KeepTrack X Report
SpaceX lands Falcon 9 in The Bahamas for the second time ever during Starlink 10-34 mission. Scientists measure rocket reentry air pollution in real-time for the first time.
Space Brief 12 Nov 2024
Latest updates include China's Lijian-1 launching 15 satellites, a fiery Starlink reentry, SpaceX's milestone Falcon 9 booster landing, and China's support for its commercial space sector.
Space Brief 10 Sep 2025
Today's highlights include China's launch of a mystery spysat, Maxar's terrain data for U.S. Army systems, and multiple U.S. defense firms enhancing satellite capabilities.