CHECKMATE 8, 56162
Orbit data source: Space-Track
CHECKMATE 8, 56162 is a payload satellite owned by SDA (US) in LEO that was launched on Sun, 02 Apr 2023 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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56162 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
York Space Sys
Mission
Operational Defense Communications
Bus & Motor
S-CLASS, Unknown motor
Mass
~300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 1.0 m
Radar Cross Section
0.945 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 CHECKMATE 8
1 56162U 23050A 26171.40732083 .00000074 00000-0 56150-4 0 9996
2 56162 81.0023 68.6832 0006012 321.8665 38.2064 13.84959159162599Epoch: 2026-06-20T09:46Z
TLE epoch observation values (Epoch: 2026-06-20T09:46:32.519Z)
Latitude
-0.00014°
Longitude
13.4253°
Altitude
945.747 km
Speed
7.381 km/s
True Right ascension
04h 34m 43s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
02:13:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
947.971 km
Perigee altitude
939.167 km
Semi-major axis
7,321.706 km
Eccentricity
0.0006
Inclination
81.0023°
RAAN
68.6832°
Arg. of periapsis
321.8665°
True anomaly
38.24903°
Mean anomaly
38.2064°
Eccentric anomaly
38.22771°
Mean motion
3.46437 °/min
Orbital period
103.91 mins
BSTAR
0.00005615
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Other satellites on launch #50 in the year 2023 (2023-04-02 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.CHECKMATE 8 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-06-22 17:21:21.309Z | 169.997° S | 2026-06-22 17:27:21.309Z | 81.191° E | 39.272° | 2026-06-22 17:32:21.309Z | 19.891° NNE |
| 7 mins | 2026-06-22 19:09:21.309Z | 255.76° W | 2026-06-22 19:12:21.309Z | 291.598° WNW | 19.879° | 2026-06-22 19:16:21.309Z | 336.402° NNW |
| 10 mins | 2026-06-23 04:15:21.309Z | 5.622° NNE | 2026-06-23 04:19:21.309Z | 65.153° ENE | 38.4° | 2026-06-23 04:25:21.309Z | 152.421° SSE |
| 7 mins | 2026-06-23 06:01:21.309Z | 307.871° NW | 2026-06-23 06:04:21.309Z | 271.466° WNW | 20.006° | 2026-06-23 06:08:21.309Z | 228.519° WSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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