STARLINK-5855, 55917

Orbit data source: Space-Track

STARLINK-5855, 55917 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.

Not visible in the next 10 days

Iframe embed code

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Iframe URL

https://www.satcat.com/sats-embedded/55917?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

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ISO8601 Format

Identifier

55917, 2023-037D

Orbit

LEO

Country

US

Related business

Manufacturer

SpaceX/Seattle

Mission

Partially 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: 3 weeks ago

TLE from 3 weeks ago

0 STARLINK-5855
1 55917U 23037D   25327.48271138  .12739593  45535-5  20863-3 0  9993
2 55917  69.9395 111.9802 0005630 238.3734 121.6952 16.47972329150042

Epoch: 2025-11-23T11:35Z

TLE epoch observation values (Epoch: 2025-11-23T11:35:06.263Z)

Latitude

0.00002°

Longitude

-124.49228°

Altitude

149.19 km

Speed

7.816 km/s

True Right ascension

07h 27m 55s

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

03:07:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

146.172 km

Perigee altitude

138.83 km

Semi-major axis

6,520.638 km

Eccentricity

0.00056

Inclination

69.9395°

RAAN

111.9802°

Arg. of periapsis

238.3734°

True anomaly

121.75007°

Mean anomaly

121.6952°

Eccentric anomaly

121.72264°

Mean motion

4.122 °/min

Orbital period

87.34 mins

BSTAR

0.00020863

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

STARLINK-5894, 55965

STARLINK-5895, 55964

STARLINK-5864, 55940

STARLINK-5896, 55930

STARLINK-5897, 55931

STARLINK-5863, 55922

STARLINK-5856, 55914

STARLINK-5933, 55961

STARLINK-5932, 55943

STARLINK-5913, 55937

STARLINK-5852, 55933

STARLINK-5796, 55916

STARLINK-5854, 55923

STARLINK-5859, 55915

STARLINK-5929, 55959

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

STARLINK-5855 Visibility

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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.
STARLINK-5855 is likely not visible in the next few days.

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-5855, 55917 on other resources

View STARLINK-5855, 55917 on NASA - NSSDCA Website

View STARLINK-5855, 55917 on Heavens-Above

View STARLINK-5855, 55917 on Keep Track

View STARLINK-5855, 55917 on Celestrak

View STARLINK-5855, 55917 on Gunter's Space Page

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

Documentation

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