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STARLINK-1373, 45544

Orbit data source: Space-Track

STARLINK-1373, 45544 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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<iframe src="https://www.satcat.com/sats-embedded/45544?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/45544?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

45544, 2020-025P

Orbit

LEO

Country

US

Related business

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 (7 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: 14 hours ago

TLE from 14 hours ago

0 STARLINK-1373
1 45544U 20025P   26301.00003472  .00254715  37204-4  57442-3 0  9998
2 45544  53.0318  15.9989 0005096   7.8895 300.2409 15.97181364  5987

Epoch: 2026-10-28T00:00Z

TLE epoch observation values (Epoch: 2026-10-28T00:00:02.999Z)

Latitude

-39.18023°

Longitude

-57.956°

Altitude

293.341 km

Speed

7.732 km/s

True Right ascension

22h 33m 38s

True Declination

-39° 00' 01"

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

09:00:21

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

285.922 km

Perigee altitude

279.134 km

Semi-major axis

6,660.665 km

Eccentricity

0.00051

Inclination

53.0318°

RAAN

15.9989°

Arg. of periapsis

7.8895°

True anomaly

300.19043°

Mean anomaly

300.2409°

Eccentric anomaly

300.21567°

Mean motion

3.9927 °/min

Orbital period

90.16 mins

BSTAR

0.00057442

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

STARLINK-1333, 45580

STARLINK-1371, 45542

STARLINK-1327, 45555

STARLINK-1365, 45590

STARLINK-1335, 45581

STARLINK-1321, 45573

STARLINK-1376, 45570

STARLINK-1361, 45567

STARLINK-1356, 45564

STARLINK-1350, 45535

STARLINK-1338, 45532

STARLINK-1330, 45577 (Decayed)

STARLINK-1328, 45576 (Decayed)

STARLINK-1326, 45575 (Decayed)

STARLINK-1354, 45562 (Decayed)

Did you know?

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

Click here to try in Sandbox

STARLINK-1373 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	2026-10-28 14:12:10.970Z	329.985° NNW	2026-10-28 14:14:10.970Z	29.628° NE	30.583°	2026-10-28 14:16:10.970Z	96.582° ESE

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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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out STARLINK-1373, 45544 on other resources

View STARLINK-1373, 45544 on NASA - NSSDCA Website

View STARLINK-1373, 45544 on Heavens-Above

View STARLINK-1373, 45544 on Keep Track

View STARLINK-1373, 45544 on Celestrak

View STARLINK-1373, 45544 on Gunter's Space Page

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

Documentation

Go to standalone docs website

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