Space Brief 25 Mar 2025
Today's brief covers SpaceX's launch of a secret US spy satellite, national security satellite launches, and Japan's missile ambitions. Also highlighted are Estonia's AI defense upgrades and autonomous airpower in Australia.
Launch Date
April 29, 1975
Launch Site
PLMSC
Launch Pad
LC41/1
Launch Vehicle
Molniya 8K78M
NORAD ID
07800
International Designator
1975-036D
Epoch
Sat, 18 Jul 2026 20:35:52 GMT
Apogee
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Perigee
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Inclination
63.78°
Right Ascension
140.51°
Eccentricity
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Argument of Perigee
282.57°
Period
731.53 min
Mean Motion
1.97 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
SL-6 R/B(2)
Alternative Name
Blok-L
Type
Status
Owner
RVSN
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
1 07800U 75036D 26199.85824502 .00000619 00000+0 00000+0 0 9991
2 07800 63.7788 140.5078 6683291 282.5687 15.0791 01.96847626367811
Source: Celestrak
Length
3.3
Diameter
2.4
Span
3.3
Dry Mass
1000
Launch Mass
4500
Shape
Cyl
Radar Cross Section
7.327
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Blok-L
Purpose
Unknown
Mission
Unknown
Manufacturer
NPOE
Life Expectancy
Unknown
Bus
Blok-L
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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