Space Brief 2 Dec 2025
Today's brief covers China's classified Shijian-28 satellite launch, AI-designed spacecraft records, and upcoming global launch activities.
Launch Date
March 25, 1985
Launch Site
Launch Pad
LC1
Launch Vehicle
Soyuz-U
NORAD ID
15634
International Designator
1985-026A
Decay Date
10/18/1985
Name
COSMOS 1643
Alternative Name
Kosmos-1643
Type
Status
Owner
GUKOS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Length
7.5
Diameter
2.7
Span
8.5
Dry Mass
3390
Launch Mass
3390
Shape
Cyl + 2 Pan
Radar Cross Section
79.02
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Terilen No. 4L
Purpose
Reconnaissance, photo (data transmitting)
Mission
Reconnaissance, photo (data transmitting)
Manufacturer
TSSKB
Life Expectancy
Unknown
Bus
Yantar'-4KS1
Configuration
Yantar Bus
Motor
Unknown
Equipment
Unknown
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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