Space Brief 11 Dec 2025
Today's brief highlights key developments in space technology, military space activities, and satellite refueling initiatives. Discover the latest on GEO satellite refueling, Blue Origin's New Glenn, and more.
Launch Date
October 6, 1981
Launch Site
AFWTR
Launch Pad
SLC2W
Launch Vehicle
Delta 2310
NORAD ID
12887
International Designator
1981-100A
Decay Date
3/5/1991
Name
SME
Alternative Name
Solar Mesosphere Explorer
Type
Status
Owner
JPL/CLASP
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Length
1.8
Diameter
1.3
Span
2.2
Dry Mass
437
Launch Mass
437
Shape
Cyl + Disk
Radar Cross Section
7.4635
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Solar Mesosphere Explorer
Purpose
Research
Mission
Research
Manufacturer
BALL
Life Expectancy
Unknown
Bus
SME
Configuration
Unknown
Motor
?
Equipment
Unknown
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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