STARLINK-5933, 55961

Orbit data source: Space-Track

STARLINK-5933, 55961 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Mar 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/55961?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55961, 2023-037AZ

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)

2023-03-17 (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: 10 hours ago

TLE from 10 hours ago

0 STARLINK-5933
1 55961U 23037AZ  25349.76086418  .00001243  00000-0  11189-3 0  9997
2 55961  69.9994 115.9829 0003267 270.8695  89.2090 14.98339551151906

Epoch: 2025-12-15T18:15Z

TLE epoch observation values (Epoch: 2025-12-15T18:15:38.665Z)

Latitude

0.00002°

Longitude

117.41701°

Altitude

574.42 km

Speed

7.574 km/s

True Right ascension

07h 43m 55s

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

03:06:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.245 km

Perigee altitude

567.705 km

Semi-major axis

6,948.112 km

Eccentricity

0.00033

Inclination

69.9994°

RAAN

115.9829°

Arg. of periapsis

270.8695°

True anomaly

89.24643°

Mean anomaly

89.209°

Eccentric anomaly

89.22772°

Mean motion

3.74751 °/min

Orbital period

96.06 mins

BSTAR

0.00011189

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Other satellites on launch #37 in the year 2023 (2023-03-17 UTC)

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STARLINK-5933 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	2025-12-16 10:26:01.936Z	225.974° WSW	2025-12-16 10:29:01.936Z	302.892° NW	37.906°	2025-12-16 10:32:01.936Z	10.058° NNE
5 mins	2025-12-16 18:51:01.936Z	14.344° NNE	2025-12-16 18:53:01.936Z	57.304° ENE	25.22°	2025-12-16 18:56:01.936Z	112.938° SE
5 mins	2025-12-16 20:29:01.936Z	295.894° NW	2025-12-16 20:31:01.936Z	258.889° W	21.862°	2025-12-16 20:34:01.936Z	205.842° SW

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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-5933, 55961 on other resources

View STARLINK-5933, 55961 on NASA - NSSDCA Website

View STARLINK-5933, 55961 on Heavens-Above

View STARLINK-5933, 55961 on Keep Track

View STARLINK-5933, 55961 on Celestrak

View STARLINK-5933, 55961 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-5933, 55961

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2025-12-15T18:15:38.665Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #37 in the year 2023 (2023-03-17 UTC)

STARLINK-5933 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5933, 55961 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago