Space Brief 30 Nov 2025
Today's highlights include Europe's record space budget for independence, Transporter-15's successful launch of 140 payloads, and the damage to the Baikonur pad affecting upcoming ISS missions.
USA 347 (57837)
COSPAR: 2023-140B | Alt Name: USA 347
DECAYED
Image
Additional Sources
Launch Details
Launch Date
September 10, 2023
Launch Site
Launch Pad
SLC41
Launch Vehicle
Atlas V 551
Orbital Elements
NORAD ID
57837
International Designator
2023-140B
Decay Date
Unknown
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Basic Satellite Info
Name
USA 347
Alternative Name
USA 347
Type
Payload
Status
Operational
Owner
NRO/SFSSC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
The satellite identified by NORAD CAT ID 57837 and OBJECT ID 2023-140B, known as USA 347, is a space surveillance satellite launched on September 10, 2023, from the Cape Canaveral Space Force Station's SLC41 launch pad using an Atlas V 551 launch vehicle. The satellite has dimensions of approximately 3 meters in length and 1.5 meters in diameter with a span of 10 meters. It had a dry mass of 1000 kilograms and was launched at a mass of 1200 kilograms. Operated by NRO/SFSSC, USA 347 carries the payload SILENT BARKER 2 for its mission objectives in space surveillance. The satellite's manufacturer is listed as UNKUS, indicating an unknown US-based entity.
Physical Characteristics
Length
3
Diameter
1.5
Span
10
Dry Mass
1000
Launch Mass
1200
Shape
N/A
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SILENT BARKER 2
Purpose
Space surveillance
Mission
Space surveillance
Manufacturer
UNKUS
Life Expectancy
Unknown
Bus
SILENTBARKER
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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