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CHECKMATE 3 (56169)
COSPAR: 2023-050H | Alt Name: Checkmate 3
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
56169
International Designator
2023-050H
Epoch
Sun, 19 Jul 2026 07:25:11 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
81.00°
Right Ascension
40.59°
Eccentricity
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Argument of Perigee
222.50°
Period
103.96 min
Mean Motion
13.85 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
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Velocity
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Polar Plot
3D Visualization
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Basic Satellite Info
Name
CHECKMATE 3
Alternative Name
Checkmate 3
Type
Payload
Status
Operational
Owner
SDA
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 56169U 23050H 26200.30916645 .00000016 00000+0 45900-5 0 9990
2 56169 81.0013 40.5911 0006186 222.4995 137.5683 13.85151819166565
Source: Celestrak
Summary
CHECKMATE 3, also known as Checkmate 3, is a US satellite with the NORAD catalog ID 56169 and OBJECT_ID 2023-050H. It was launched on April 2, 2023, from AFWTR's SLC4E launch pad aboard a Falcon 9 rocket. The satellite has dimensions of 1 meter in length, 0.6 meters in diameter, and spans 2 meters when its panels are deployed. Its dry mass is 300 kilograms, which matches its launch mass. It was manufactured by YORKSS for the Space Development Agency (SDA) and carries a payload designated as SDA-0A TPL York-03. The satellite's structure consists of a box with attached panels.
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-03
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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