STARLINK-2406, 47821

Orbit data source: Space-Track

STARLINK-2406, 47821 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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Iframe URL

https://www.satcat.com/sats-embedded/47821?theme=dark&initialShowStats=false

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Identifier

47821, 2021-018AL

Orbit

LEO

Last TLE update

20 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 20 hours ago

0 STARLINK-2406
1 47821U 21018AL  25229.89049797 -.00000977  00000-0 -46717-4 0  9991
2 47821  53.0555  86.5217 0001090  90.9882 269.1231 15.06388644245877

Epoch: 2025-08-17T21:22Z

TLE epoch observation values (Epoch: 2025-08-17T21:22:19.024Z)

Latitude

-0.0001°

Longitude

159.43747°

Altitude

548.137 km

Speed

7.589 km/s

True Right ascension

05h 46m 05s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

12.97391°

Longitude

-34.195°

Altitude

547.116 km

Speed

7.591 km/s

Apparent Right ascension

18h 10m 20s

Apparent Declination

-13° 17' 17"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

08:01:00

Azimuth

50.18° ENE

Elevation

-53.958°

Doppler factor

Orbital elements

Apogee altitude

548.272 km

Perigee altitude

546.762 km

Semi-major axis

6,925.654 km

Eccentricity

0.00011

Inclination

53.0555°

RAAN

86.5217°

Arg. of periapsis

90.9882°

True anomaly

269.11061°

Mean anomaly

269.1231°

Eccentric anomaly

269.11686°

Mean motion

3.76575 °/min

Orbital period

95.6 mins

BSTAR

-0.000046717

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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-2406 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 18:18:12.285Z	272.44° WNW	2025-08-18 18:21:12.285Z	332.376° NNW	27.63°	2025-08-18 18:24:12.285Z	30.425° NE
6 mins	2025-08-18 23:20:12.285Z	326.001° NNW	2025-08-18 23:23:12.285Z	44.532° NE	35.367°	2025-08-18 23:26:12.285Z	104.49° ESE
5 mins	2025-08-19 01:00:12.285Z	273.204° WNW	2025-08-19 01:02:12.285Z	232.954° WSW	23.349°	2025-08-19 01:05:12.285Z	178.163° S
6 mins	2025-08-19 16:33:12.285Z	206.013° SW	2025-08-19 16:35:12.285Z	137.239° SSE	40.686°	2025-08-19 16:39:12.285Z	56.952° ENE