STARLINK-2400, 47817

Orbit data source: Space-Track

STARLINK-2400, 47817 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/47817?theme=dark&initialShowStats=false

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Identifier

47817, 2021-018AG

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-2400
1 47817U 21018AG  26119.99834611  .00004139  00000-0  14507-3 0  9996
2 47817  53.1617   4.6066 0001345  85.6093 274.5062 15.31700372284579

Epoch: 2026-04-29T23:57Z

TLE epoch observation values (Epoch: 2026-04-29T23:57:37.103Z)

Latitude

-0.00005°

Longitude

147.2507°

Altitude

471.567 km

Speed

7.632 km/s

True Right ascension

00h 18m 25s

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

18:59:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

471.916 km

Perigee altitude

470.074 km

Semi-major axis

6,849.132 km

Eccentricity

0.00013

Inclination

53.1617°

RAAN

4.6066°

Arg. of periapsis

85.6093°

True anomaly

274.49083°

Mean anomaly

274.5062°

Eccentric anomaly

274.49852°

Mean motion

3.82904 °/min

Orbital period

94.02 mins

BSTAR

0.00014507

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

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STARLINK-2400 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 18:55:42.429Z	225.032° WSW	2026-04-30 18:58:42.429Z	170.158° S	44.503°	2026-04-30 19:01:42.429Z	52.424° ENE
5 mins	2026-05-01 01:31:42.429Z	322.601° NNW	2026-05-01 01:33:42.429Z	65.534° ENE	41.825°	2026-05-01 01:36:42.429Z	120.46° 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-2400, 47817 on other resources

View STARLINK-2400, 47817 on NASA - NSSDCA Website

View STARLINK-2400, 47817 on Heavens-Above

View STARLINK-2400, 47817 on Keep Track

View STARLINK-2400, 47817 on Celestrak

View STARLINK-2400, 47817 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-2400, 47817

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: 2026-04-29T23:57:37.103Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-2400 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-2400, 47817 on other resources

Documentation

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