CHECKMATE 10, 57762
Orbit data source: Space-Track
CHECKMATE 10, 57762 is a payload satellite owned by SDA (US) in LEO that was launched on Sat, 02 Sep 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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57762 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: 3 days ago
TLE from 3 days ago
0 CHECKMATE 10
1 57762U 23133F 26170.93960846 .00000055 00000-0 38699-4 0 9999
2 57762 81.0003 4.7652 0006481 10.0601 350.0683 13.85473650141410Epoch: 2026-06-19T22:33Z
TLE epoch observation values (Epoch: 2026-06-19T22:33:02.170Z)
Latitude
-0.00014°
Longitude
118.34475°
Altitude
942.719 km
Speed
7.383 km/s
True Right ascension
00h 19m 03s
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
23:19:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
946.499 km
Perigee altitude
937.011 km
Semi-major axis
7,319.892 km
Eccentricity
0.00065
Inclination
81.0003°
RAAN
4.7652°
Arg. of periapsis
10.0601°
True anomaly
350.05548°
Mean anomaly
350.0683°
Eccentric anomaly
350.06189°
Mean motion
3.46566 °/min
Orbital period
103.88 mins
BSTAR
0.000038699
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Other satellites on launch #133 in the year 2023 (2023-09-02 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 10 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-06-22 13:03:10.599Z | 166.415° S | 2026-06-22 13:08:10.599Z | 95.52° ESE | 38.455° | 2026-06-22 13:13:10.599Z | 22.038° NNE |
| 7 mins | 2026-06-22 14:50:10.599Z | 251.642° W | 2026-06-22 14:53:10.599Z | 286.974° WNW | 20.579° | 2026-06-22 14:57:10.599Z | 334.598° NNW |
| 10 mins | 2026-06-22 23:56:10.599Z | 6.522° NNE | 2026-06-23 00:00:10.599Z | 62.96° ENE | 37.134° | 2026-06-23 00:06:10.599Z | 150.2° SSE |
| 7 mins | 2026-06-23 01:42:10.599Z | 309.376° NW | 2026-06-23 01:45:10.599Z | 272.268° WNW | 21.014° | 2026-06-23 01:49:10.599Z | 227.581° 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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