STARLINK-5851, 55947

Orbit data source: Space-Track

STARLINK-5851, 55947 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/55947?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55947, 2023-037AK

Orbit

LEO

Last TLE update

15 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 15 hours ago

0 STARLINK-5851
1 55947U 23037AK  25128.99020036 -.00000010  00000-0  69328-5 0  9997
2 55947  69.9990 332.5307 0003020 269.9100  90.1713 14.98331435118685

Epoch: 2025-05-08T23:45Z

Definitive object data (Epoch: 2025-05-08T23:45:53.311Z)

Latitude

0°

Longitude

109.0058°

Altitude

574.482 km

Speed

7.574 km/s

True Right ascension

22h 10m 07s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

45.54738°

Longitude

129.12169°

Altitude

580.02 km

Speed

7.574 km/s

Apparent Right ascension

05h 05m 55s

Apparent Declination

36° 07' 51"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

22:34:22

Azimuth

56.809° ENE

Elevation

17.058°

Doppler factor

Orbital elements

Apogee altitude

572.098 km

Perigee altitude

567.901 km

Semi-major axis

6,948.137 km

Eccentricity

0.000302

Inclination

69.999°

RAAN

332.5307°

Arg. of periapsis

269.91°

True anomaly

90.20591°

Mean anomaly

90.1713°

Eccentric anomaly

90.1886°

Mean motion

3.74749 °/min

BSTAR

0.0000069328

Orbital period

96.06 mins

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

STARLINK-5851 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.
5 mins	2025-05-09 15:58:14.162Z	266.858° W	2025-05-09 16:00:14.162Z	306.744° NW	21.598°	2025-05-09 16:03:14.162Z	355.511° N
7 mins	2025-05-10 00:21:14.162Z	345.129° N	2025-05-10 00:24:14.162Z	69.707° E	42.069°	2025-05-10 00:28:14.162Z	146.363° SSE

Authenticating...

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Check out STARLINK-5851, 55947 on other resources

View STARLINK-5851, 55947 on NASA - NSSDCA Website

View STARLINK-5851, 55947 on Heavens-Above

View STARLINK-5851, 55947 on Keep Track

View STARLINK-5851, 55947 on Celestrak

View STARLINK-5851, 55947 on Gunter's Space Page

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