Space Brief 22 Nov 2024
Today's key topics include delays in Vulcan's national security launches, a significant network upgrade contract for the Space Force, and military interest in SpaceX's Starship.
Launch Date
July 26, 1958
Launch Site
Launch Pad
LC5
Launch Vehicle
NORAD ID
00009
International Designator
1958-005A
Decay Date
10/23/1959
Name
EXPLORER 4
Alternative Name
Explorer IV
Type
Status
Owner
U.S. Army Ballistic Missile Agency/Jet Propulsion Laboratory
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
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
0.8
Diameter
0.1
Span
0.8
Dry Mass
12
Launch Mass
12
Shape
Cyl
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Explorer 4
Purpose
Unknown
Mission
Unknown
Manufacturer
Jet Propulsion Laboratory
Life Expectancy
Unknown
Bus
Explorer
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
Today's key topics include delays in Vulcan's national security launches, a significant network upgrade contract for the Space Force, and military interest in SpaceX's Starship.
Space Force confirmed 9 companies won orbital Air Moving Target Indication contracts. Capability shifts airborne surveillance to satellites for expanded coverage and survivability.
SpaceX and NASA swap Crew Dragon for Crew-10 mission; exciting 'space jellyfish' phenomena from recent launch.
SpaceX faces a launch delay at Cape Canaveral and continues to advance Starship development.
Today's brief highlights Umbra Space's contract extension with the NRO, Trump's Space Force ambitions, FibreCoat's new funding targeting defense markets, and key US defense sentiments. Explore notable military and commercial satellite activities.
SpaceX faces a series of challenges with scrubbing the Starship Flight 8 launch and losing a Falcon 9 booster post-landing, while successfully deploying new Starlink satellites.
Today's brief highlights significant advancements in satellite launches, new defense contracts, and technological integrations between major firms in the space sector.
SpaceX's Falcon 9 launches 119 payloads on Transporter-16, the 21st smallsat rideshare mission, from Vandenberg SFB at 1102 UTC.