Space Brief 4 Feb 2025
Today's brief covers the expansion of the U.S. missile defense shield, a new contract for Viasat from the U.S. Space Force, and the Missile Defense Agency's call for innovative Iron Dome concepts.
Launch Date
September 3, 1990
Launch Site
TAISC
Launch Pad
LC7
Launch Vehicle
Chang Zheng 4
NORAD ID
21911
International Designator
1990-081CH
Epoch
Fri, 03 Jul 2026 11:40:01 GMT
Apogee
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Perigee
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Inclination
98.36°
Right Ascension
193.90°
Eccentricity
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Argument of Perigee
198.09°
Period
100.33 min
Mean Motion
14.35 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
CZ-4 DEB
Alternative Name
deb CZ-4 Y2 Stage 3
Type
Status
Owner
MAI2
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
1 21911U 90081CH 26184.48612286 .00001000 00000-0 35954-3 0 9990
2 21911 98.3602 193.8975 0049229 198.0917 317.4689 14.35195664852835
Source: Celestrak
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
0.011
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Unknown
Purpose
Unknown
Mission
Unknown
Manufacturer
Unknown
Life Expectancy
Unknown
Bus
Unknown
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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