STARLINK-5991, 56331

Orbit data source: Space-Track

STARLINK-5991, 56331 is a payload satellite owned by SpaceX/Seattle (US) in SSO that was launched on Thu, 27 Apr 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/56331?theme=dark&initialShowStats=false

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Identifier

56331, 2023-058Q

Orbit

SSO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

300 kg wet, ~260 kg dry

Launch date (UTC)

2023-04-27 (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-5991
1 56331U 23058Q   26170.98904884  .00000554  00000-0  42370-4 0  9996
2 56331  97.3385 169.8165 0001370  73.4561 286.6817 15.05628432173519

Epoch: 2026-06-19T23:44Z

TLE epoch observation values (Epoch: 2026-06-19T23:44:13.819Z)

Latitude

-0.00003°

Longitude

-94.45119°

Altitude

552.378 km

Speed

7.586 km/s

True Right ascension

11h 19m 15s

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

21:23:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

547.508 km

Perigee altitude

545.611 km

Semi-major axis

6,924.696 km

Eccentricity

0.00014

Inclination

97.3385°

RAAN

169.8165°

Arg. of periapsis

73.4561°

True anomaly

286.66666°

Mean anomaly

286.6817°

Eccentric anomaly

286.67418°

Mean motion

3.76654 °/min

Orbital period

95.58 mins

BSTAR

0.00004237

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Other satellites on launch #58 in the year 2023 (2023-04-27 UTC)

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STARLINK-5991 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	2026-06-22 12:54:59.365Z	6.579° NNE	2026-06-22 12:57:59.365Z	269.147° W	43.866°	2026-06-22 13:00:59.365Z	200.003° SSW
6 mins	2026-06-22 23:38:59.365Z	144.231° SSE	2026-06-22 23:41:59.365Z	59.566° ENE	36.821°	2026-06-22 23:44:59.365Z	1.584° NNE

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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-5991, 56331 on other resources

View STARLINK-5991, 56331 on NASA - NSSDCA Website

View STARLINK-5991, 56331 on Heavens-Above

View STARLINK-5991, 56331 on Keep Track

View STARLINK-5991, 56331 on Celestrak

View STARLINK-5991, 56331 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-5991, 56331

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: 2026-06-19T23:44:13.819Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #58 in the year 2023 (2023-04-27 UTC)

STARLINK-5991 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5991, 56331 on other resources

Documentation

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