STARLINK-3821, 52357

Orbit data source: Space-Track

STARLINK-3821, 52357 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 29 Apr 2022 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/52357?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

52357, 2022-045AC

Orbit

LEO

Last TLE update

7 hours ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

297 kg wet, ~275 kg dry

Launch date (UTC)

2022-04-29 (3 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, 4.5 m

Radar Cross Section

11.087 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 7 hours ago

0 STARLINK-3821
1 52357U 22045AC  25212.10852902 -.00000277  00000-0  71628-6 0  9991
2 52357  53.2176 113.8407 0001384  87.0882 273.0268 15.08837514182338

Epoch: 2025-07-31T02:36Z

TLE epoch observation values (Epoch: 2025-07-31T02:36:16.907Z)

Latitude

-0.00006°

Longitude

125.79208°

Altitude

540.598 km

Speed

7.593 km/s

True Right ascension

07h 35m 21s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

39.44908°

Longitude

-93.2227°

Altitude

542.498 km

Speed

7.596 km/s

Apparent Right ascension

14h 13m 28s

Apparent Declination

2° 21' 38"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

23:08:12

Azimuth

303.287° NW

Elevation

-30.189°

Doppler factor

Orbital elements

Apogee altitude

540.953 km

Perigee altitude

539.038 km

Semi-major axis

6,918.133 km

Eccentricity

0.00014

Inclination

53.2176°

RAAN

113.8407°

Arg. of periapsis

87.0882°

True anomaly

273.01096°

Mean anomaly

273.0268°

Eccentric anomaly

273.01888°

Mean motion

3.7719 °/min

Orbital period

95.44 mins

BSTAR

7.1628e-7

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Other satellites on launch #45 in the year 2022 (2022-04-29 UTC)

STARLINK-3821 Visibility forecast

Observer location: undefined°, undefined°

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.
7 mins	2025-07-31 20:16:37.629Z	230.026° WSW	2025-07-31 20:19:37.629Z	302.19° NW	44.975°	2025-07-31 20:23:37.629Z	49.599° ENE
4 mins	2025-07-31 21:57:37.629Z	303.893° NW	2025-07-31 21:59:37.629Z	341.983° N	19.139°	2025-07-31 22:01:37.629Z	17.55° NNE
4 mins	2025-08-01 01:19:37.629Z	359.67° N	2025-08-01 01:20:37.629Z	19.732° NNE	18.983°	2025-08-01 01:23:37.629Z	69.174° E
6 mins	2025-08-01 02:57:37.629Z	311.441° NW	2025-08-01 03:00:37.629Z	87.023° E	44.841°	2025-08-01 03:03:37.629Z	129.071° SE

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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Authenticating...

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Check out STARLINK-3821, 52357 on other resources

View STARLINK-3821, 52357 on NASA - NSSDCA Website

View STARLINK-3821, 52357 on Heavens-Above

View STARLINK-3821, 52357 on Keep Track

View STARLINK-3821, 52357 on Celestrak

View STARLINK-3821, 52357 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.