CHECKMATE 3, 56169
Orbit data source: Space-Track
CHECKMATE 3, 56169 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). Payloads include a variety of satellites, spacecraft, and rockets 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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56169 intel report (Beta)
CHECKMATE 3 details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 17 hours ago |
| Origin | |
| 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 | Payload Rocket body Debris |
| Shape & HBR | Box + 1 Pan, 2 m |
| Radar Cross Section | 0.945 m², Large (>1 m²) |
Expand to show TLE details & history
TLE from 17 hours ago
0 CHECKMATE 3
1 56169U 23050H 25014.87639857 .00000108 00000-0 85992-4 0 9998
2 56169 81.0011 208.5759 0006264 267.3935 92.6504 13.85059282 90366Epoch: 2025-01-14T21:02Z
Definitive object data (Epoch: 2025-01-14T21:02:00.836Z)
| Latitude | -0.00003° |
| Longitude | 138.49561° |
| Altitude | 949.069 km |
| Speed | 7.377 km/s |
| True Right ascension | 13h 54m 18s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | 30.84779° |
| Longitude | 143.19576° |
| Altitude | 952.525 km |
| Speed | 7.377 km/s |
| Apparent Right ascension | 11h 38m 51s |
| Apparent Declination | -9° 25' 08" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 15:11:56 |
| Azimuth | 237.481° WSW |
| Elevation | 20.334° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 947.802 km |
| Perigee altitude | 938.63 km |
| Semi-major axis | 7,321.353 km |
| Eccentricity | 0.0006264 |
| Inclination | 81.0011° |
| RAAN | 208.5759° |
| Arg. of periapsis | 267.3935° |
| True anomaly | 92.7221° |
| Mean anomaly | 92.6504° |
| Eccentric anomaly | 92.68625° |
| Mean motion | 3.46462 °/min |
| BSTAR | 0.000085992 |
| Orbital period | 103.91 mins |
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Other satellites on launch #50 in the year 2023 (2023-04-02 UTC)
| CHECKMATE 8, 56162 |
| CHECKMATE 5, 56163 |
| CHECKMATE 4, 56164 |
| CHECKMATE 6, 56165 |
| CHECKMATE 7, 56166 |
| CHECKMATE 2, 56167 |
| CHECKMATE 1, 56168 |
| CHECKMATE 3, 56169 |
| BB 2, 56170 |
| BB 1, 56171 |
CHECKMATE 3 Visibility forecast
Observer location: undefined°, undefined
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 | 2025-01-15 14:31:14.053Z | 237.214° WSW | 2025-01-15 14:34:14.053Z | 280.297° WNW | 28.988° | 2025-01-15 14:39:14.053Z | 347.105° N |
| 9 mins | 2025-01-15 23:38:14.053Z | 19.832° NNE | 2025-01-15 23:42:14.053Z | 77.483° E | 28.267° | 2025-01-15 23:47:14.053Z | 134.228° SE |
| 9 mins | 2025-01-16 01:23:14.053Z | 322.501° NNW | 2025-01-16 01:27:14.053Z | 262.741° W | 29.705° | 2025-01-16 01:32:14.053Z | 206.624° SW |
| 10 mins | 2025-01-16 13:01:14.053Z | 166.297° S | 2025-01-16 13:06:14.053Z | 87.26° E | 38.826° | 2025-01-16 13:11:14.053Z | 20.995° NNE |
Authenticating...
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