Space Brief 24 Apr 2025
Today's brief covers South Korea's fourth spy satellite launch, potential changes in drone deployment strategies by the US Air Force, and the largest-ever spectrum-sharing demonstration set by the Pentagon.
Launch Date
September 3, 1990
Launch Site
TAISC
Launch Pad
LC7
Launch Vehicle
Chang Zheng 4
NORAD ID
20870
International Designator
1990-081AJ
Epoch
Fri, 03 Jul 2026 18:20:06 GMT
Apogee
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Perigee
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Inclination
98.89°
Right Ascension
170.32°
Eccentricity
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Argument of Perigee
304.88°
Period
101.90 min
Mean Motion
14.13 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 20870U 90081AJ 26184.76396774 .00000572 00000-0 32870-3 0 9992
2 20870 98.8938 170.3154 0031569 304.8764 233.4444 14.13112361835183
Source: Celestrak
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
0.0952
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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