STARLINK-2171, 47754

Orbit data source: Space-Track

STARLINK-2171, 47754 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 04 Mar 2021 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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Iframe URL

https://www.satcat.com/sats-embedded/47754?theme=dark&initialShowStats=false

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Identifier

47754, 2021-017AJ

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Partially operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2021-03-04 (5 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

13.562 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 STARLINK-2171
1 47754U 21017AJ  25346.95214201  .00109815  00000-0  22057-2 0  9994
2 47754  53.0523 229.7726 0010020 113.1817 247.0246 15.45778918264829

Epoch: 2025-12-12T22:51Z

TLE epoch observation values (Epoch: 2025-12-12T22:51:05.069Z)

Latitude

0°

Longitude

165.11509°

Altitude

432.653 km

Speed

7.652 km/s

True Right ascension

15h 19m 05s

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

09:16:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

436.187 km

Perigee altitude

422.545 km

Semi-major axis

6,807.503 km

Eccentricity

0.001

Inclination

53.0523°

RAAN

229.7726°

Arg. of periapsis

113.1817°

True anomaly

246.91894°

Mean anomaly

247.0246°

Eccentric anomaly

246.97176°

Mean motion

3.86422 °/min

Orbital period

93.16 mins

BSTAR

0.0022057

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Other satellites on launch #17 in the year 2021 (2021-03-04 UTC)

STARLINK-2149, 47738 (Decayed)

STARLINK-2143, 47733

STARLINK-2147, 47736

STARLINK-2178, 47760

STARLINK-2197, 47774 (Decayed)

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STARLINK-2171 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.
4 mins	2025-12-13 19:13:56.751Z	239.811° WSW	2025-12-13 19:14:56.751Z	257.825° W	41.283°	2025-12-13 19:17:56.751Z	46.103° ENE
5 mins	2025-12-14 01:43:56.751Z	312.662° NW	2025-12-14 01:45:56.751Z	334.581° NNW	43.343°	2025-12-14 01:48:56.751Z	127.057° 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-2171, 47754 on other resources

View STARLINK-2171, 47754 on NASA - NSSDCA Website

View STARLINK-2171, 47754 on Heavens-Above

View STARLINK-2171, 47754 on Keep Track

View STARLINK-2171, 47754 on Celestrak

View STARLINK-2171, 47754 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-2171, 47754

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2025-12-12T22:51:05.069Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #17 in the year 2021 (2021-03-04 UTC)

STARLINK-2171 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-2171, 47754 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago