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

Last TLE update

6 hours ago

Origin

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 (2 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, 4.5 m

Radar Cross Section

11.087 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 6 hours ago

0 STARLINK-5977
1 56791U 23078AA  25216.19177324  .00000056  00000-0  12493-4 0  9992
2 56791  70.0002 172.7465 0003009 266.9663  93.1152 14.98330649120361

Epoch: 2025-08-04T04:36Z

TLE epoch observation values (Epoch: 2025-08-04T04:36:09.207Z)

Latitude

-0.00003°

Longitude

150.70535°

Altitude

574.592 km

Speed

7.574 km/s

True Right ascension

11h 30m 59s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-51.53317°

Longitude

122.95408°

Altitude

589.798 km

Speed

7.565 km/s

Apparent Right ascension

11h 14m 44s

Apparent Declination

-48° 00' 33"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

00:38:12

Azimuth

125.334° SE

Elevation

-73.016°

Doppler factor

Orbital elements

Apogee altitude

572.093 km

Perigee altitude

567.911 km

Semi-major axis

6,948.139 km

Eccentricity

0.0003

Inclination

70.0002°

RAAN

172.7465°

Arg. of periapsis

266.9663°

True anomaly

93.14963°

Mean anomaly

93.1152°

Eccentric anomaly

93.13241°

Mean motion

3.74749 °/min

Orbital period

96.06 mins

BSTAR

0.000012493

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

STARLINK-6068, 56798 (Decayed)

STARLINK-5977 Visibility forecast

Observer location: undefined°, undefined°

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	2025-08-04 22:21:39.951Z	188.324° SSW	2025-08-04 22:24:39.951Z	122.476° SE	41.017°	2025-08-04 22:28:39.951Z	32.186° NE
6 mins	2025-08-05 08:24:39.951Z	323.334° NNW	2025-08-05 08:27:39.951Z	220.188° SW	40.233°	2025-08-05 08:30:39.951Z	170.697° S

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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Authenticating...

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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.