STARLINK-5918, 55939

Orbit data source: Space-Track

STARLINK-5918, 55939 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/55939?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55939, 2023-037AB

Orbit

LEO

Last TLE update

16 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)

2023-03-17 (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, 9 m

Radar Cross Section

11.087 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 16 hours ago

0 STARLINK-5918
1 55939U 23037AB  25128.94832042 -.00000066  00000-0  22331-5 0  9995
2 55939  69.9995 332.7870 0002909 269.3366  90.7459 14.98327210118679

Epoch: 2025-05-08T22:45Z

Definitive object data (Epoch: 2025-05-08T22:45:34.884Z)

Latitude

-0.00008°

Longitude

124.38013°

Altitude

574.515 km

Speed

7.574 km/s

True Right ascension

22h 11m 08s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-69.97119°

Longitude

25.97166°

Altitude

595.563 km

Speed

7.562 km/s

Apparent Right ascension

12h 04m 36s

Apparent Declination

-60° 43' 51"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

22:32:23

Azimuth

206.717° SW

Elevation

-64.794°

Doppler factor

Orbital elements

Apogee altitude

572.034 km

Perigee altitude

567.992 km

Semi-major axis

6,948.15 km

Eccentricity

0.0002909

Inclination

69.9995°

RAAN

332.787°

Arg. of periapsis

269.3366°

True anomaly

90.77923°

Mean anomaly

90.7459°

Eccentric anomaly

90.76257°

Mean motion

3.74748 °/min

BSTAR

0.0000022331

Orbital period

96.06 mins

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

STARLINK-5918 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.
8 mins	2025-05-09 14:54:14.920Z	197.78° SSW	2025-05-09 14:58:14.920Z	115.212° SE	44.192°	2025-05-09 15:02:14.920Z	27.731° NE
6 mins	2025-05-10 00:58:14.920Z	315.812° NNW	2025-05-10 01:00:14.920Z	273.611° WNW	35.667°	2025-05-10 01:04:14.920Z	177.632° S

Authenticating...

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Check out STARLINK-5918, 55939 on other resources

View STARLINK-5918, 55939 on NASA - NSSDCA Website

View STARLINK-5918, 55939 on Heavens-Above

View STARLINK-5918, 55939 on Keep Track

View STARLINK-5918, 55939 on Celestrak

View STARLINK-5918, 55939 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.