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UMBRA-11 (66748)
COSPAR: 2025-276CL | Alt Name: N/A
Image
Additional Sources
Launch Details
Launch Date
November 28, 2025
Launch Site
AFWTR
Launch Pad
SLC4E
Launch Vehicle
Chang Zheng 3B
Orbital Elements
NORAD ID
66748
International Designator
2025-276CL
Epoch
Sun, 19 Jul 2026 19:37:20 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
97.42°
Right Ascension
275.27°
Eccentricity
Calculating...
Argument of Perigee
173.05°
Period
94.25 min
Mean Motion
15.28 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
UMBRA-11
Alternative Name
N/A
Type
Payload
Status
Operational
Owner
UMBRA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 66748U 25276CL 26200.81759764 .00011551 00000+0 42678-3 0 9992
2 66748 97.4178 275.2717 0003104 173.0514 187.0769 15.27886647 35470
Source: Celestrak
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
4.0
Dry Mass
79
Launch Mass
84
Shape
Box + 2 Pan + Dish
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Umbra-11
Purpose
Unknown
Mission
Unknown
Manufacturer
UMBRA
Life Expectancy
Unknown
Bus
Espasat
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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