STARLINK-5977, 56791

Orbit data source: Space-Track

STARLINK-5977, 56791 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 31 May 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/56791?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

56791, 2023-078AA

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)

2023-05-31 (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: 2 days ago

TLE from 2 days ago

0 STARLINK-5977
1 56791U 23078AA  26171.17230823  .00000599  00000-0  57992-4 0  9990
2 56791  70.0000  85.9635 0002734 269.8324  90.2522 14.98332448168037

Epoch: 2026-06-20T04:08Z

TLE epoch observation values (Epoch: 2026-06-20T04:08:07.431Z)

Latitude

0.00002°

Longitude

115.5418°

Altitude

574.481 km

Speed

7.574 km/s

True Right ascension

05h 43m 51s

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

21:42:26

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

571.896 km

Perigee altitude

568.097 km

Semi-major axis

6,948.134 km

Eccentricity

0.00027

Inclination

70°

RAAN

85.9635°

Arg. of periapsis

269.8324°

True anomaly

90.28353°

Mean anomaly

90.2522°

Eccentric anomaly

90.26786°

Mean motion

3.74749 °/min

Orbital period

96.06 mins

BSTAR

0.000057992

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Other satellites on launch #78 in the year 2023 (2023-05-31 UTC)

FALCON 9 DEB, 56820 (Decayed)

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STARLINK-5977 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.
7 mins	2026-06-22 18:44:23.836Z	172.78° S	2026-06-22 18:48:23.836Z	100.009° ESE	29.09°	2026-06-22 18:51:23.836Z	46.457° ENE
5 mins	2026-06-22 20:24:23.836Z	266.77° W	2026-06-22 20:26:23.836Z	301.894° NW	19.382°	2026-06-22 20:29:23.836Z	351.165° N
7 mins	2026-06-23 04:47:23.836Z	340.346° N	2026-06-23 04:50:23.836Z	38.013° NE	43.886°	2026-06-23 04:54:23.836Z	150.908° 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-5977, 56791 on other resources

View STARLINK-5977, 56791 on NASA - NSSDCA Website

View STARLINK-5977, 56791 on Heavens-Above

View STARLINK-5977, 56791 on Keep Track

View STARLINK-5977, 56791 on Celestrak

View STARLINK-5977, 56791 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-5977, 56791

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T04:08:07.431Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #78 in the year 2023 (2023-05-31 UTC)

STARLINK-5977 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5977, 56791 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago