STARLINK-1321, 45573

Orbit data source: Space-Track

STARLINK-1321, 45573 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 22 Apr 2020 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/45573?theme=dark&initialShowStats=false

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Identifier

45573, 2020-025AU

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Partially operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2020-04-22 (6 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: 12 hours ago

TLE from 12 hours ago

0 STARLINK-1321
1 45573U 20025AU  26123.51527489  .00095965  00000-0  12498-2 0  9998
2 45573  53.0428 154.1050 0005491   4.0066 356.0989 15.57971744333985

Epoch: 2026-05-03T12:21Z

TLE epoch observation values (Epoch: 2026-05-03T12:21:59.750Z)

Latitude

0.00004°

Longitude

107.18835°

Altitude

390.716 km

Speed

7.679 km/s

True Right ascension

10h 16m 25s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

08:17:45

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

397.525 km

Perigee altitude

390.088 km

Semi-major axis

6,771.943 km

Eccentricity

0.00055

Inclination

53.0428°

RAAN

154.105°

Arg. of periapsis

4.0066°

True anomaly

356.09462°

Mean anomaly

356.0989°

Eccentric anomaly

356.09676°

Mean motion

3.89469 °/min

Orbital period

92.43 mins

BSTAR

0.0012498

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Other satellites on launch #25 in the year 2020 (2020-04-22 UTC)

STARLINK-1344, 45559 (Decayed)

STARLINK-1338, 45532

STARLINK-1362, 45538

STARLINK-1357, 45565

STARLINK-1341, 45534 (Decayed)

STARLINK-1334, 45556 (Decayed)

STARLINK-1339, 45533 (Decayed)

STARLINK-1335, 45581

STARLINK-1348, 45561 (Decayed)

STARLINK-1326, 45575 (Decayed)

FALCON 9 DEB, 45593 (Decayed)

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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STARLINK-1321 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.
4 mins	2026-05-04 03:55:34.102Z	176.468° S	2026-05-04 03:57:34.102Z	127.78° SE	20.665°	2026-05-04 03:59:34.102Z	82.705° E
4 mins	2026-05-04 05:31:34.102Z	271.039° WNW	2026-05-04 05:33:34.102Z	333.235° NNW	28.586°	2026-05-04 05:35:34.102Z	26.991° NE
4 mins	2026-05-04 11:59:34.102Z	281.485° WNW	2026-05-04 12:00:34.102Z	249.859° W	32.312°	2026-05-04 12:03:34.102Z	155.382° SSE

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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-1321, 45573 on other resources

View STARLINK-1321, 45573 on NASA - NSSDCA Website

View STARLINK-1321, 45573 on Heavens-Above

View STARLINK-1321, 45573 on Keep Track

View STARLINK-1321, 45573 on Celestrak

View STARLINK-1321, 45573 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-1321, 45573

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-05-03T12:21:59.750Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #25 in the year 2020 (2020-04-22 UTC)

STARLINK-1321 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-1321, 45573 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago