Space Brief 24 Sep 2025
Key highlights on China's reusable rocket developments, U.S. military's Tranche 1 satellite launch, Space Force's weapons acquisition strategies, and more.
Launch Date
November 13, 1978
Launch Site
Launch Pad
LC36B
Launch Vehicle
Atlas SLV-3D Centaur
NORAD ID
11101
International Designator
1978-103A
Decay Date
3/25/1982
Name
HEAO 2
Alternative Name
Einstein Observatory
Type
Status
Owner
MSFC
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
5.8
Diameter
2.4
Span
6
Dry Mass
3130
Launch Mass
3130
Shape
Oct Cyl
Radar Cross Section
26.5101
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
HEAO B
Purpose
Unknown
Mission
Unknown
Manufacturer
TRW
Life Expectancy
Unknown
Bus
HEAO
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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