STARLINK-5871, 55919

Orbit data source: Space-Track

STARLINK-5871, 55919 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 src="https://www.satcat.com/sats-embedded/55919?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/55919?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55919, 2023-037F

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-5871
1 55919U 23037F   25349.89084095  .00000643  00000-0  61716-4 0  9998
2 55919  69.9989 155.7927 0003060 268.9718  91.1090 14.98332414150934

Epoch: 2025-12-15T21:22Z

TLE epoch observation values (Epoch: 2025-12-15T21:22:48.658Z)

Latitude

-0.00004°

Longitude

110.30703°

Altitude

574.514 km

Speed

7.574 km/s

True Right ascension

10h 23m 10s

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

03:06:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.123 km

Perigee altitude

567.871 km

Semi-major axis

6,948.134 km

Eccentricity

0.00031

Inclination

69.9989°

RAAN

155.7927°

Arg. of periapsis

268.9718°

True anomaly

91.14406°

Mean anomaly

91.109°

Eccentric anomaly

91.12653°

Mean motion

3.74749 °/min

Orbital period

96.06 mins

BSTAR

0.000061716

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

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STARLINK-5871 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 11:56:00.327Z	154.974° SSE	2025-12-16 11:59:00.327Z	97.354° ESE	23.261°	2025-12-16 12:02:00.327Z	50.685° ENE
5 mins	2025-12-16 13:35:00.327Z	263.268° W	2025-12-16 13:37:00.327Z	306.098° NW	23.707°	2025-12-16 13:40:00.327Z	357.152° N
7 mins	2025-12-16 21:58:00.327Z	348.517° N	2025-12-16 22:01:00.327Z	65.193° ENE	39.697°	2025-12-16 22:05:00.327Z	142.104° 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-5871, 55919 on other resources

View STARLINK-5871, 55919 on NASA - NSSDCA Website

View STARLINK-5871, 55919 on Heavens-Above

View STARLINK-5871, 55919 on Keep Track

View STARLINK-5871, 55919 on Celestrak

View STARLINK-5871, 55919 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-5871, 55919

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: 2025-12-15T21:22:48.658Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-5871 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5871, 55919 on other resources

Documentation

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