X Report 12 Aug 2025
SpaceX ramps up Raptor 3 testing and the launch landscape heats up with Vulcan and Ariane set to lift off before Starlink missions.
EXPLORER 44 (SOLRAD-10) (05317)
COSPAR: 1971-058A | Alt Name: SR X
DECAYED
Image
Additional Sources
Launch Details
Launch Date
July 8, 1971
Launch Site
WLPIS
Launch Pad
LA3A
Launch Vehicle
Scout B
Orbital Elements
NORAD ID
05317
International Designator
1971-058A
Decay Date
12/15/1979
Explore in the Catalog
Basic Satellite Info
Name
EXPLORER 44 (SOLRAD-10)
Alternative Name
SR X
Type
Payload
Status
Decayed
Owner
Naval Research Laboratory
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
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.
Physical Characteristics
Length
0.8
Diameter
0.6
Span
2
Dry Mass
119
Launch Mass
119
Shape
Cyl + 4 Pan
Radar Cross Section
1.0739
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Solar Explorer C
Purpose
Unknown
Mission
Unknown
Manufacturer
Naval Research Laboratory
Life Expectancy
Unknown
Bus
SR 10
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 21 Apr 2025
Today's briefing highlights SpaceX's recent launch of spy satellites, a US Space Force contract for deep space tracking, and advancements in quantum communications in space.
Space Force Halts All Vulcan Missions Over Solid Booster Issue | KeepTrack Space Brief
Space Force suspends all Vulcan launches pending solid rocket booster investigation. Rocket Lab scrubs HASTE hypersonic vehicle launch. Military space funding hits record highs.
X Report 31 Jul 2025
Today's highlights include the ongoing Crew-11 mission launch and Starship preparations for its upcoming test flight.
Space Brief 12 Nov 2024
Latest updates include China's Lijian-1 launching 15 satellites, a fiery Starlink reentry, SpaceX's milestone Falcon 9 booster landing, and China's support for its commercial space sector.
Space Brief 3 Aug 2025
Today's brief covers NASA's collaboration with India for a new Earth-tracking satellite, China's expansion of its satellite internet network, and a groundbreaking cosmic shield for solar cells. Also highlighted are EchoStar's ambitious satellite order and Roscosmos' recent diplomatic moves.
Space Brief 18 Jan 2025
In today's brief: high-profile personnel changes in the Space Force, the inclusion of Space Force in historical political events, and strategic shifts in defense highlighted with a focus on satellite applications.
Dragon Delivers 6,500 lbs to ISS; Zenk Space Eyes June Orbital Debut | KeepTrack Space Brief
SpaceX Dragon berthed ISS with 6,500 pounds of cargo May 17. China's Zenk Space raised $26M, targeting June for Zhihang-1 rocket's orbital debut.