Space Brief 27 Aug 2025
Today's key space events include SpaceX's launch of the secretive X-37B military drone, XTAR's U.S. defense market strategy, and China's space station AI upgrade.
FLOCK 4H 26 (66729)
COSPAR: 2025-276BR | 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
66729
International Designator
2025-276BR
Epoch
Sun, 19 Jul 2026 18:26:49 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
97.42°
Right Ascension
273.64°
Eccentricity
Calculating...
Argument of Perigee
242.12°
Period
94.74 min
Mean Motion
15.20 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
FLOCK 4H 26
Alternative Name
N/A
Type
Payload
Status
Operational
Owner
PLAN
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 66729U 25276BR 26200.76863377 .00003258 00000+0 15474-3 0 9990
2 66729 97.4174 273.6423 0003433 242.1163 117.9724 15.19935006 35360
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
0.3
Diameter
0.1
Span
0.3
Dry Mass
5.700
Launch Mass
5.700
Shape
Box+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Dove 2550
Purpose
Unknown
Mission
Unknown
Manufacturer
PLAN
Life Expectancy
Unknown
Bus
Cubesat 3U
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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