Space Brief 7 Sep 2025
Today's Space Brief covers China’s latest satellite launches, leadership changes in the U.S. Space Force, insights from hyperspectral imagery on an Iranian facility, SpaceX's Starlink mission, and more.
Launch Date
March 10, 1984
Launch Site
PLMSC
Launch Pad
LC41/1
Launch Vehicle
Soyuz-U
NORAD ID
14797
International Designator
1984-026A
Decay Date
4/5/1984
Name
COSMOS 1543
Alternative Name
Kosmos-1543
Type
Status
Owner
TSSKB
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Length
6.5
Diameter
2.4
Span
6.5
Dry Mass
2400
Launch Mass
2400
Shape
Sphere + DCone
Radar Cross Section
14.89
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Efir No. 1L
Purpose
Cosmic radiation
Mission
Cosmic radiation
Manufacturer
TSSKB
Life Expectancy
26 days
Bus
Efir
Configuration
Zenit Bus
Motor
11D82M
Equipment
Unknown
Power System
Batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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