STARLINK-5917, 55942

Orbit data source: Space-Track

STARLINK-5917, 55942 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/55942?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55942, 2023-037AE

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: 8 hours ago

TLE from 8 hours ago

0 STARLINK-5917
1 55942U 23037AE  25349.83619892  .00001130  00000-0  10249-3 0  9993
2 55942  69.9995 135.7229 0003143 269.4935  90.5864 14.98326371151421

Epoch: 2025-12-15T20:04Z

TLE epoch observation values (Epoch: 2025-12-15T20:04:07.586Z)

Latitude

-0.00003°

Longitude

109.96223°

Altitude

574.514 km

Speed

7.574 km/s

True Right ascension

09h 02m 53s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

03:10:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.199 km

Perigee altitude

567.832 km

Semi-major axis

6,948.152 km

Eccentricity

0.00031

Inclination

69.9995°

RAAN

135.7229°

Arg. of periapsis

269.4935°

True anomaly

90.62241°

Mean anomaly

90.5864°

Eccentric anomaly

90.60441°

Mean motion

3.74748 °/min

Orbital period

96.06 mins

BSTAR

0.00010249

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

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STARLINK-5917 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.
6 mins	2025-12-16 10:36:54.348Z	160.333° S	2025-12-16 10:39:54.348Z	108.421° ESE	24.173°	2025-12-16 10:42:54.348Z	53.91° ENE
5 mins	2025-12-16 12:15:54.348Z	257.841° W	2025-12-16 12:17:54.348Z	295.14° NW	22.976°	2025-12-16 12:20:54.348Z	352.086° N
6 mins	2025-12-16 20:39:54.348Z	350.897° N	2025-12-16 20:41:54.348Z	35.093° NE	39.257°	2025-12-16 20:45:54.348Z	141.754° SSE

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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-5917, 55942 on other resources

View STARLINK-5917, 55942 on NASA - NSSDCA Website

View STARLINK-5917, 55942 on Heavens-Above

View STARLINK-5917, 55942 on Keep Track

View STARLINK-5917, 55942 on Celestrak

View STARLINK-5917, 55942 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-5917, 55942

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2025-12-15T20:04:07.586Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-5917 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5917, 55942 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago