STARLINK-5854, 55923

Orbit data source: Space-Track

STARLINK-5854, 55923 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Mar 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/55923?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55923, 2023-037K

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

305 kg wet, ~290 kg dry

Launch date (UTC)

2023-03-17 (3 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, 10.1 m

Radar Cross Section

11.087 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 STARLINK-5854
1 55923U 23037K   25349.88232702  .00000506  00000-0  50216-4 0  9993
2 55923  69.9987 155.7626 0002922 271.1199  88.9625 14.98334598150931

Epoch: 2025-12-15T21:10Z

TLE epoch observation values (Epoch: 2025-12-15T21:10:33.054Z)

Latitude

-0.00005°

Longitude

113.35034°

Altitude

574.429 km

Speed

7.574 km/s

True Right ascension

10h 23m 03s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

03:06:50

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.02 km

Perigee altitude

567.96 km

Semi-major axis

6,948.127 km

Eccentricity

0.00029

Inclination

69.9987°

RAAN

155.7626°

Arg. of periapsis

271.1199°

True anomaly

88.99598°

Mean anomaly

88.9625°

Eccentric anomaly

88.97924°

Mean motion

3.7475 °/min

Orbital period

96.06 mins

BSTAR

0.000050216

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Other satellites on launch #37 in the year 2023 (2023-03-17 UTC)

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STARLINK-5854 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.
5 mins	2025-12-16 11:44:00.946Z	141.333° SSE	2025-12-16 11:46:00.946Z	108.219° ESE	18.121°	2025-12-16 11:49:00.946Z	60.396° ENE
6 mins	2025-12-16 13:22:00.946Z	247.853° W	2025-12-16 13:24:00.946Z	292.327° WNW	29.179°	2025-12-16 13:28:00.946Z	6.249° NNE
6 mins	2025-12-16 21:46:00.946Z	1.087° NNE	2025-12-16 21:48:00.946Z	45.403° ENE	32.632°	2025-12-16 21:52:00.946Z	130.48° SE

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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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Check out STARLINK-5854, 55923 on other resources

View STARLINK-5854, 55923 on NASA - NSSDCA Website

View STARLINK-5854, 55923 on Heavens-Above

View STARLINK-5854, 55923 on Keep Track

View STARLINK-5854, 55923 on Celestrak

View STARLINK-5854, 55923 on Gunter's Space Page

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

STARLINK-5854, 55923

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2025-12-15T21:10:33.054Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #37 in the year 2023 (2023-03-17 UTC)

STARLINK-5854 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5854, 55923 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago