STARLINK-3550, 52373

Orbit data source: Space-Track

STARLINK-3550, 52373 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 29 Apr 2022 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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/52373?theme=dark&initialShowStats=false

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Identifier

52373, 2022-045AU

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

297 kg wet, ~275 kg dry

Launch date (UTC)

2022-04-29 (4 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

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: 9 hours ago

TLE from 9 hours ago

0 STARLINK-3550
1 52373U 22045AU  26070.53721233  .00001960  00000-0  14118-3 0  9998
2 52373  53.2166 180.8289 0001024  89.6805 270.4305 15.08836867216208

Epoch: 2026-03-11T12:53Z

TLE epoch observation values (Epoch: 2026-03-11T12:53:35.145Z)

Latitude

0.00003°

Longitude

178.23245°

Altitude

540.645 km

Speed

7.593 km/s

True Right ascension

12h 03m 18s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

02:22:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

540.706 km

Perigee altitude

539.29 km

Semi-major axis

6,918.135 km

Eccentricity

0.0001

Inclination

53.2166°

RAAN

180.8289°

Arg. of periapsis

89.6805°

True anomaly

270.41877°

Mean anomaly

270.4305°

Eccentric anomaly

270.42463°

Mean motion

3.7719 °/min

Orbital period

95.44 mins

BSTAR

0.00014118

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Other satellites on launch #45 in the year 2022 (2022-04-29 UTC)

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STARLINK-3550 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	2026-03-12 09:43:53.085Z	217.283° SW	2026-03-12 09:46:53.085Z	157.795° S	42.304°	2026-03-12 09:50:53.085Z	55.089° ENE
5 mins	2026-03-12 11:24:53.085Z	296.725° NW	2026-03-12 11:26:53.085Z	338.863° N	22.144°	2026-03-12 11:29:53.085Z	28.978° NE
6 mins	2026-03-12 16:25:53.085Z	323.738° NNW	2026-03-12 16:27:53.085Z	32.031° NE	41.664°	2026-03-12 16:31:53.085Z	119.193° SE

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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-3550, 52373 on other resources

View STARLINK-3550, 52373 on NASA - NSSDCA Website

View STARLINK-3550, 52373 on Heavens-Above

View STARLINK-3550, 52373 on Keep Track

View STARLINK-3550, 52373 on Celestrak

View STARLINK-3550, 52373 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-3550, 52373

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-03-11T12:53:35.145Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #45 in the year 2022 (2022-04-29 UTC)

STARLINK-3550 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-3550, 52373 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago