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BB4 (57757)
COSPAR: 2023-133B | Alt Name: BB 4
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
57757
International Designator
2023-133B
Epoch
Mon, 06 Jul 2026 19:45:47 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
81.00°
Right Ascension
339.18°
Eccentricity
Calculating...
Argument of Perigee
272.14°
Period
99.25 min
Mean Motion
14.51 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
BB4
Alternative Name
BB 4
Type
Payload
Status
Operational
Owner
SDA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 57757U 23133B 26187.82346781 .00000785 00000+0 19557-3 0 9995
2 57757 81.0008 339.1794 0007379 272.1444 87.8904 14.50918933144307
Source: Celestrak
Summary
The satellite BB4 (OBJECT_ID: 2023-133B) is an early warning spacecraft operated by SDA, launched on September 2, 2023, from AFWTR's SLC4E pad using a Falcon 9 launch vehicle. It has dimensions of 0.3 meters in length, 3 meters in diameter, and 9 meters in span, with a dry mass of 800 kg. The BB4 is equipped with solar arrays and batteries for power generation. Its bus configuration and motor details are not fully specified. The satellite's shape includes a box structure with additional pan components. It was manufactured by SPX/LEIDOS and is part of the Starshield series, specifically designated as SDA-0B TRL SPX-04 for its payload mission.
Physical Characteristics
Length
0.3
Diameter
3
Span
9
Dry Mass
800
Launch Mass
800
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SDA-0B TRL SPX-04
Purpose
Early warning
Mission
Early warning
Manufacturer
SPX/LEIDOS
Life Expectancy
Unknown
Bus
Starshield
Configuration
Starshield bus ?
Motor
?
Equipment
Unknown
Power System
Solar arrays, batteries
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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