STARLINK-2391, 47810

Orbit data source: Space-Track

STARLINK-2391, 47810 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 11 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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https://www.satcat.com/sats-embedded/47810?theme=dark&initialShowStats=false

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Identifier

47810, 2021-018Z

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2021-03-11 (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-2391
1 47810U 21018Z   26119.98272905  .00005637  00000-0  19325-3 0  9997
2 47810  53.1629  17.2590 0000756  79.6712 280.4375 15.31702842284457

Epoch: 2026-04-29T23:35Z

TLE epoch observation values (Epoch: 2026-04-29T23:35:07.789Z)

Latitude

-0.00002°

Longitude

165.54066°

Altitude

471.538 km

Speed

7.632 km/s

True Right ascension

01h 09m 02s

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

18:59:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

471.505 km

Perigee altitude

470.47 km

Semi-major axis

6,849.125 km

Eccentricity

0.00008

Inclination

53.1629°

RAAN

17.259°

Arg. of periapsis

79.6712°

True anomaly

280.42898°

Mean anomaly

280.4375°

Eccentric anomaly

280.43324°

Mean motion

3.82905 °/min

Orbital period

94.02 mins

BSTAR

0.00019325

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Other satellites on launch #18 in the year 2021 (2021-03-11 UTC)

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STARLINK-2391 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.
5 mins	2026-04-30 20:09:33.134Z	251.434° W	2026-04-30 20:11:33.134Z	356.023° N	40.034°	2026-04-30 20:14:33.134Z	43.716° NE
4 mins	2026-05-01 01:05:33.134Z	342.43° N	2026-05-01 01:07:33.134Z	21.135° NNE	18.757°	2026-05-01 01:09:33.134Z	62.005° ENE
5 mins	2026-05-01 02:43:33.134Z	304.636° NW	2026-05-01 02:45:33.134Z	266.174° W	43.211°	2026-05-01 02:48:33.134Z	138.08° SSE

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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-2391, 47810 on other resources

View STARLINK-2391, 47810 on NASA - NSSDCA Website

View STARLINK-2391, 47810 on Heavens-Above

View STARLINK-2391, 47810 on Keep Track

View STARLINK-2391, 47810 on Celestrak

View STARLINK-2391, 47810 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-2391, 47810

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: 2026-04-29T23:35:07.789Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #18 in the year 2021 (2021-03-11 UTC)

STARLINK-2391 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-2391, 47810 on other resources

Documentation

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