STARLINK-5540, 56340

Orbit data source: Space-Track

STARLINK-5540, 56340 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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https://www.satcat.com/sats-embedded/56340?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

56340, 2023-058Z

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-5540
1 56340U 23058Z   26171.42513786  .00000620  00000-0  46907-4 0  9997
2 56340  97.3345 171.3619 0002551 106.3713 253.7795 15.05656244173651

Epoch: 2026-06-20T10:12Z

TLE epoch observation values (Epoch: 2026-06-20T10:12:11.911Z)

Latitude

-0.00001°

Longitude

109.67232°

Altitude

553.059 km

Speed

7.585 km/s

True Right ascension

11h 25m 26s

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

21:28:16

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

548.24 km

Perigee altitude

544.707 km

Semi-major axis

6,924.611 km

Eccentricity

0.00026

Inclination

97.3345°

RAAN

171.3619°

Arg. of periapsis

106.3713°

True anomaly

253.75143°

Mean anomaly

253.7795°

Eccentric anomaly

253.76547°

Mean motion

3.76661 °/min

Orbital period

95.58 mins

BSTAR

0.000046907

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

FALCON 9 DEB, 56366 (Decayed)

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STARLINK-5540 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 12:13:16.301Z	38.542° NE	2026-06-22 12:16:16.301Z	95.217° ESE	25.413°	2026-06-22 12:19:16.301Z	153.232° SSE
4 mins	2026-06-22 13:49:16.301Z	322.096° NNW	2026-06-22 13:51:16.301Z	282.753° WNW	18.259°	2026-06-22 13:53:16.301Z	249.443° W
6 mins	2026-06-23 00:32:16.301Z	199.958° SSW	2026-06-23 00:35:16.301Z	276.186° WNW	31.234°	2026-06-23 00:38:16.301Z	329.844° NNW

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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-5540, 56340 on other resources

View STARLINK-5540, 56340 on NASA - NSSDCA Website

View STARLINK-5540, 56340 on Heavens-Above

View STARLINK-5540, 56340 on Keep Track

View STARLINK-5540, 56340 on Celestrak

View STARLINK-5540, 56340 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-5540, 56340

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: 2026-06-20T10:12:11.911Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-5540 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5540, 56340 on other resources

Documentation

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