Space Brief 10 Dec 2025
Today's brief covers China's intense launch schedule, a new Arctic military constellation, Muon Space's defense innovations, and SpaceX's classified NROL-77 mission.
Launch Date
February 4, 2021
Launch Site
Launch Pad
LC40
Launch Vehicle
NORAD ID
47553
International Designator
2021-009F
Decay Date
4/22/2022
Name
STARLINK-1951
Alternative Name
Starlink 1951
Type
Status
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Length
0.2
Diameter
2.8
Span
9
Dry Mass
248
Launch Mass
260
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Starlink V1.0-L18-06
Purpose
Communication
Mission
Communication
Manufacturer
SPXS
Life Expectancy
Unknown
Bus
Starlink
Configuration
Unknown
Motor
Krypton ion thrusters
Equipment
Ku/Ka-band payload (all), optical inter-satellite links (a few prototypes)
Power System
Solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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