Space Brief 10 Apr 2025
Key topics today include the US Space Force's new international strategy, China's partnership with Pakistan for astronaut training, and conservation concerns over SpaceX landing proposals.
Launch Date
March 15, 1976
Launch Site
Launch Pad
LC40
Launch Vehicle
Titan IIIC
NORAD ID
08749
International Designator
1976-023D
Epoch
Sat, 27 Mar 1976 08:41:00 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
25.19°
Right Ascension
41.88°
Eccentricity
Calculating...
Argument of Perigee
117.60°
Period
7124.43 min
Mean Motion
0.20 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
SOLRAD 11B
Alternative Name
SR 11B
Type
Status
Owner
Naval Research Laboratory
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 08749U 76023D 76087.36180556 -.00000524 00000-0 00000-0 0 9990
2 08749 25.1859 41.8762 0042607 117.6028 158.8834 0.20212142 14
Source: Celestrak
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Length
0.4
Diameter
1.5
Span
2.5
Dry Mass
171
Launch Mass
171
Shape
Cyl + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Solrad 11B
Purpose
Unknown
Mission
Unknown
Manufacturer
Naval Research Laboratory
Life Expectancy
Unknown
Bus
SR 11
Configuration
Unknown
Motor
Star 13A
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
Key topics today include the US Space Force's new international strategy, China's partnership with Pakistan for astronaut training, and conservation concerns over SpaceX landing proposals.
SpaceX launches NROL-105 spy satellite from Vandenberg in first national security mission of 2026. GE and Lockheed validate compact rotating detonation ramjet for hypersonic missiles.
SpaceX achieves its 450th Falcon 9 launch, setting a new turnaround record, while its competitor ULA remains grounded, awaiting clearance from the Space Force.
Today's brief covers the U.S. Space Force's new international strategy, Northrop Grumman's Golden Dome project, and ULA's Vulcan launches, alongside military budget priorities.
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.
SDA hands L3Harris and Sierra Space $1.75B to build missile warning satellites for Pentagon's Golden Dome shield, targeting 2028 demonstration under accelerated schedule.
Intel joins Terafab, Elon Musk's Austin AI chip complex, to supply SpaceX and Tesla as Falcon 9 prepares a Cygnus ISS run.
SpaceX wins a $4.16B US Space Force contract for an airborne threat tracking satellite network. Starlink holds 10,413 satellites in orbit, 10,397 working.