CHECKMATE 5, 56163
Orbit data source: Space-Track
CHECKMATE 5, 56163 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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56163 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 5
1 56163U 23050B 26171.44613002 .00000087 00000-0 67150-4 0 9996
2 56163 81.0012 68.4356 0005902 319.6197 40.4520 13.84984938162617Epoch: 2026-06-20T10:42Z
TLE epoch observation values (Epoch: 2026-06-20T10:42:25.633Z)
Latitude
-0.00007°
Longitude
-0.83185°
Altitude
945.827 km
Speed
7.381 km/s
True Right ascension
04h 33m 44s
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
21:54:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
947.8 km
Perigee altitude
939.157 km
Semi-major axis
7,321.615 km
Eccentricity
0.00059
Inclination
81.0012°
RAAN
68.4356°
Arg. of periapsis
319.6197°
True anomaly
40.4959°
Mean anomaly
40.452°
Eccentric anomaly
40.47395°
Mean motion
3.46444 °/min
Orbital period
103.91 mins
BSTAR
0.00006715
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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 5 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-06-22 16:34:51.367Z | 131.116° SE | 2026-06-22 16:38:51.367Z | 85.77° E | 20.73° | 2026-06-22 16:42:51.367Z | 41.483° NE |
| 10 mins | 2026-06-22 18:18:51.367Z | 213.496° SW | 2026-06-22 18:22:51.367Z | 267.771° W | 37.214° | 2026-06-22 18:28:51.367Z | 358.112° N |
| 7 mins | 2026-06-23 03:27:51.367Z | 33.642° NE | 2026-06-23 03:30:51.367Z | 71.399° E | 20.667° | 2026-06-23 03:34:51.367Z | 115.173° SE |
| 9 mins | 2026-06-23 05:11:51.367Z | 334.858° NNW | 2026-06-23 05:15:51.367Z | 270.099° WNW | 38.682° | 2026-06-23 05:20:51.367Z | 193.861° SSW |
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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