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CHECKMATE 2, 56167

Orbit data source: Space-Track

CHECKMATE 2, 56167 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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Iframe URL

https://www.satcat.com/sats-embedded/56167?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

56167, 2023-050F

Orbit

LEO

Last TLE update

21 hours ago

Origin

Space Development Agency (US)

Manufacturer

York Space Sys

Mission

Operational Defense Communications

Bus & Motor

S-CLASS, Unknown motor

Mass

~300 kg wet, ~300 kg dry

Launch date (UTC)

2023-04-02 (2 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 1.0 m

Radar Cross Section

0.945 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 21 hours ago

0 CHECKMATE 2
1 56167U 23050F   25213.71063571  .00000112  00000-0  88803-4 0  9993
2 56167  81.0050  18.0898 0007724  96.7726 263.4310 13.85080555117886

Epoch: 2025-08-01T17:03Z

TLE epoch observation values (Epoch: 2025-08-01T17:03:18.925Z)

Latitude

0.00005°

Longitude

171.70371°

Altitude

949.431 km

Speed

7.377 km/s

True Right ascension

01h 12m 21s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-21.49586°

Longitude

167.32127°

Altitude

956.437 km

Speed

7.371 km/s

Apparent Right ascension

21h 52m 30s

Apparent Declination

-57° 25' 49"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

03:30:27

Azimuth

218.257° SW

Elevation

-30.073°

Doppler factor

Orbital elements

Apogee altitude

948.796 km

Perigee altitude

937.486 km

Semi-major axis

7,321.278 km

Eccentricity

0.00077

Inclination

81.005°

RAAN

18.0898°

Arg. of periapsis

96.7726°

True anomaly

263.34308°

Mean anomaly

263.431°

Eccentric anomaly

263.38704°

Mean motion

3.46468 °/min

Orbital period

103.91 mins

BSTAR

0.000088803

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Other satellites on launch #50 in the year 2023 (2023-04-02 UTC)

CHECKMATE 2 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.
7 mins	2025-08-02 21:23:18.478Z	29.693° NE	2025-08-02 21:26:18.478Z	63.239° ENE	18.363°	2025-08-02 21:30:18.478Z	107.771° ESE
10 mins	2025-08-02 23:07:18.478Z	340.357° N	2025-08-02 23:12:18.478Z	252.474° W	40.888°	2025-08-02 23:17:18.478Z	187.88° SSW
9 mins	2025-08-03 10:47:18.478Z	141.781° SSE	2025-08-03 10:51:18.478Z	88.931° E	27.255°	2025-08-03 10:56:18.478Z	31.064° NE
9 mins	2025-08-03 12:32:18.478Z	230.635° WSW	2025-08-03 12:36:18.478Z	290.904° WNW	30.591°	2025-08-03 12:41:18.478Z	351.347° N

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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Authenticating...

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Check out CHECKMATE 2, 56167 on other resources

View CHECKMATE 2, 56167 on NASA - NSSDCA Website

View CHECKMATE 2, 56167 on Heavens-Above

View CHECKMATE 2, 56167 on Keep Track

View CHECKMATE 2, 56167 on Celestrak

View CHECKMATE 2, 56167 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.