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CHECKMATE 4 (56164)
COSPAR: 2023-050C | Alt Name: Checkmate 4
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
56164
International Designator
2023-050C
Epoch
Sun, 19 Jul 2026 19:21:56 GMT
Apogee
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Perigee
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Inclination
81.00°
Right Ascension
40.55°
Eccentricity
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Argument of Perigee
243.33°
Period
103.98 min
Mean Motion
13.85 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
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Basic Satellite Info
Name
CHECKMATE 4
Alternative Name
Checkmate 4
Type
Payload
Status
Operational
Owner
SDA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 56164U 23050C 26200.80690522 .00000027 00000+0 14317-4 0 9992
2 56164 80.9999 40.5542 0004803 243.3335 116.7329 13.84818516166654
Source: Celestrak
Summary
CHECKMATE 4, also known as Checkmate 4, is a satellite identified by NORAD Catalog ID 56164 and OBJECT_ID 2023-050C. It was launched on April 2, 2023, from AFWTR Launch Site at SLC4E using a Falcon 9 launch vehicle. The spacecraft has dimensions of 1 meter in length, 0.6 meters in diameter, and spans 2 meters with its panels extended. It weighs 300 kilograms both dry and at launch and is categorized as an S-Class satellite under the ownership of SDA (Space Development Agency). Its mission payload is identified as SDA-0A TPL York-04, manufactured by YORKSS. The shape of CHECKMATE 4 resembles a box with panels extended.
Physical Characteristics
Length
1
Diameter
0.6
Span
2
Dry Mass
300
Launch Mass
300
Shape
Box + panels
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SDA-0A TPL York-04
Purpose
Unknown
Mission
Unknown
Manufacturer
YORKSS
Life Expectancy
Unknown
Bus
S-Class
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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