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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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Iframe URL

https://www.satcat.com/sats-embedded/56163?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

56163, 2023-050B

Orbit

LEO

Last TLE update

1 day 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 1 day ago

0 CHECKMATE 5
1 56163U 23050B   25213.51655227  .00000103  00000-0  81631-4 0  9994
2 56163  81.0013  18.1710 0007337 100.7854 259.4129 13.84913784117918

Epoch: 2025-08-01T12:23Z

TLE epoch observation values (Epoch: 2025-08-01T12:23:50.116Z)

Latitude

0.00006°

Longitude

-118.15376°

Altitude

950.358 km

Speed

7.376 km/s

True Right ascension

01h 12m 41s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-74.66712°

Longitude

95.89639°

Altitude

978.704 km

Speed

7.359 km/s

Apparent Right ascension

15h 36m 41s

Apparent Declination

-58° 25' 47"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

03:39:48

Azimuth

178.718° S

Elevation

-71.48°

Doppler factor

Orbital elements

Apogee altitude

949.101 km

Perigee altitude

938.357 km

Semi-major axis

7,321.866 km

Eccentricity

0.00073

Inclination

81.0013°

RAAN

18.171°

Arg. of periapsis

100.7854°

True anomaly

259.33027°

Mean anomaly

259.4129°

Eccentric anomaly

259.37158°

Mean motion

3.46426 °/min

Orbital period

103.92 mins

BSTAR

0.000081631

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

CHECKMATE 5 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.
10 mins	2025-08-02 21:54:37.679Z	7.64° NNE	2025-08-02 21:59:37.679Z	63.262° ENE	29.942°	2025-08-02 22:04:37.679Z	133.445° SE
8 mins	2025-08-02 23:41:37.679Z	317.991° NNW	2025-08-02 23:44:37.679Z	276.622° WNW	27.539°	2025-08-02 23:49:37.679Z	213.112° SW
10 mins	2025-08-03 11:19:37.679Z	169.744° S	2025-08-03 11:24:37.679Z	78.936° E	40.423°	2025-08-03 11:29:37.679Z	18.529° NNE
7 mins	2025-08-03 13:06:37.679Z	257.079° W	2025-08-03 13:09:37.679Z	291.676° WNW	18.735°	2025-08-03 13:13:37.679Z	335.572° NNW

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 5, 56163 on other resources

View CHECKMATE 5, 56163 on NASA - NSSDCA Website

View CHECKMATE 5, 56163 on Heavens-Above

View CHECKMATE 5, 56163 on Keep Track

View CHECKMATE 5, 56163 on Celestrak

View CHECKMATE 5, 56163 on Gunter's Space Page

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