STARLINK-2420, 47831

Orbit data source: Space-Track

STARLINK-2420, 47831 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/47831?theme=dark&initialShowStats=false

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Identifier

47831, 2021-018AW

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: 11 hours ago

TLE from 11 hours ago

0 STARLINK-2420
1 47831U 21018AW  26120.20085262  .00044872  00000-0  15273-2 0  9996
2 47831  53.1595   3.2052 0001224 113.4262 246.6867 15.30001936284655

Epoch: 2026-04-30T04:49Z

TLE epoch observation values (Epoch: 2026-04-30T04:49:13.666Z)

Latitude

-0.00005°

Longitude

72.74735°

Altitude

477.038 km

Speed

7.628 km/s

True Right ascension

00h 12m 49s

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

22:58:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

476.902 km

Perigee altitude

475.224 km

Semi-major axis

6,854.2 km

Eccentricity

0.00012

Inclination

53.1595°

RAAN

3.2052°

Arg. of periapsis

113.4262°

True anomaly

246.67382°

Mean anomaly

246.6867°

Eccentric anomaly

246.68026°

Mean motion

3.82479 °/min

Orbital period

94.12 mins

BSTAR

0.0015273

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

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STARLINK-2420 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	2026-04-30 19:07:29.796Z	236.215° WSW	2026-04-30 19:09:29.796Z	258.282° W	41.622°	2026-04-30 19:13:29.796Z	47.326° ENE
4 mins	2026-05-01 00:04:29.796Z	341.06° N	2026-05-01 00:06:29.796Z	16.84° NNE	17.221°	2026-05-01 00:08:29.796Z	56.233° ENE
6 mins	2026-05-01 01:42:29.796Z	310.717° NW	2026-05-01 01:45:29.796Z	125.175° SE	43.043°	2026-05-01 01:48:29.796Z	130.25° 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-2420, 47831 on other resources

View STARLINK-2420, 47831 on NASA - NSSDCA Website

View STARLINK-2420, 47831 on Heavens-Above

View STARLINK-2420, 47831 on Keep Track

View STARLINK-2420, 47831 on Celestrak

View STARLINK-2420, 47831 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-2420, 47831

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-04-30T04:49:13.666Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-2420 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-2420, 47831 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago