Space Brief 6 Sep 2025
Today's brief covers China's latest experimental launch to GEO and new commercial satellites, insights from hyperspectral imagery on underground structures, and the Space Force's material testing for Mars missions.
EXPLORER 26 (EPE-D) (00963)
COSPAR: 1964-086A | Alt Name: Explorer 26
DECAYED
Image
Additional Sources
Launch Details
Launch Date
December 21, 1964
Launch Site
Launch Pad
LC17A
Launch Vehicle
Thor Delta C
Orbital Elements
NORAD ID
00963
International Designator
1964-086A
Decay Date
8/25/2021
Explore in the Catalog
Basic Satellite Info
Name
EXPLORER 26 (EPE-D)
Alternative Name
Explorer 26
Type
Payload
Status
Decayed
Owner
GSFC
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
0.5
Diameter
0.7
Span
1.3
Dry Mass
46
Launch Mass
46
Shape
Oct Cyl + Ant + 4 Pan
Radar Cross Section
0.67
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
NASA S-3C
Purpose
Unknown
Mission
Unknown
Manufacturer
RAYM/GSFC
Life Expectancy
Unknown
Bus
EPE
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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