STARLINK-2399, 47816

Orbit data source: Space-Track

STARLINK-2399, 47816 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/47816?theme=dark&initialShowStats=false

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Identifier

47816, 2021-018AF

Orbit

LEO

Last TLE update

19 hours ago

Origin

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 (4 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, 4.4 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 19 hours ago

0 STARLINK-2399
1 47816U 21018AF  25229.90890468  .00002089  00000-0  15913-3 0  9993
2 47816  53.0541  86.4244 0001465  93.6460 266.4697 15.06398122245871

Epoch: 2025-08-17T21:48Z

TLE epoch observation values (Epoch: 2025-08-17T21:48:49.364Z)

Latitude

0.00002°

Longitude

152.69571°

Altitude

548.159 km

Speed

7.589 km/s

True Right ascension

05h 45m 41s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

52.52583°

Longitude

-133.61342°

Altitude

552.617 km

Speed

7.592 km/s

Apparent Right ascension

16h 10m 47s

Apparent Declination

24° 30' 42"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

08:05:55

Azimuth

51.419° ENE

Elevation

-5.477°

Doppler factor

Orbital elements

Apogee altitude

548.503 km

Perigee altitude

546.473 km

Semi-major axis

6,925.625 km

Eccentricity

0.00015

Inclination

53.0541°

RAAN

86.4244°

Arg. of periapsis

93.646°

True anomaly

266.45294°

Mean anomaly

266.4697°

Eccentric anomaly

266.46132°

Mean motion

3.76578 °/min

Orbital period

95.6 mins

BSTAR

0.00015913

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

STARLINK-2257, 47787

STARLINK-2392, 47811 (Decayed)

STARLINK-2393, 47812

STARLINK-2394, 47813 (Decayed)

STARLINK-2403, 47820 (Decayed)

STARLINK-2399 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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	2025-08-18 18:46:06.544Z	286.81° WNW	2025-08-18 18:49:06.544Z	339.744° N	21.306°	2025-08-18 18:52:06.544Z	28.955° NE
4 mins	2025-08-18 22:09:06.544Z	352.515° N	2025-08-18 22:10:06.544Z	10.748° NNE	18.041°	2025-08-18 22:13:06.544Z	62.209° ENE
6 mins	2025-08-18 23:48:06.544Z	315.615° NNW	2025-08-18 23:51:06.544Z	94.183° ESE	42.151°	2025-08-18 23:54:06.544Z	123.889° SE
6 mins	2025-08-19 17:00:06.544Z	234.919° WSW	2025-08-19 17:03:06.544Z	18.693° NNE	43.544°	2025-08-19 17:06:06.544Z	47.675° ENE