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STARLINK-1255, 45399

Orbit data source: Space-Track

STARLINK-1255, 45399 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 18 Mar 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/45399?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/45399?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

45399, 2020-019AR

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)

2020-03-18 (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: 11 hours ago

TLE from 11 hours ago

0 STARLINK-1255
1 45399U 20019AR  26308.16668980  .00138020  00000-0  51165-3 0  9990
2 45399  53.0291   0.9056 0001886  75.2214  54.7291 15.87215162  6042

Epoch: 2026-11-04T04:00Z

TLE epoch observation values (Epoch: 2026-11-04T04:00:01.998Z)

Latitude

37.88269°

Longitude

41.86357°

Altitude

312.493 km

Speed

7.726 km/s

True Right ascension

09h 41m 09s

True Declination

37° 42' 18"

Sunlit

Object was in daylight 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

10:26:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

311.64 km

Perigee altitude

309.117 km

Semi-major axis

6,688.516 km

Eccentricity

0.00019

Inclination

53.0291°

RAAN

0.9056°

Arg. of periapsis

75.2214°

True anomaly

54.74675°

Mean anomaly

54.7291°

Eccentric anomaly

54.73792°

Mean motion

3.96779 °/min

Orbital period

90.73 mins

BSTAR

0.00051165

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Computing Atmospheric mass density...

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Other satellites on launch #19 in the year 2020 (2020-03-18 UTC)

STARLINK-1259, 45403 (Decayed)

STARLINK-1264, 45382 (Decayed)

STARLINK-1295, 45373 (Decayed)

STARLINK-1262, 45366

STARLINK-1273, 45367

STARLINK-1276, 45368

STARLINK-1300, 45374

STARLINK-1308, 45419

STARLINK-1286, 45417

STARLINK-1316, 45415

STARLINK-1296, 45412

STARLINK-1260, 45404

STARLINK-1263, 45405

STARLINK-1265, 45406

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-1255 Visibility

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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.
STARLINK-1255 is likely not visible in the next few days.

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

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

Authenticating...

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Check out STARLINK-1255, 45399 on other resources

View STARLINK-1255, 45399 on NASA - NSSDCA Website

View STARLINK-1255, 45399 on Heavens-Above

View STARLINK-1255, 45399 on Keep Track

View STARLINK-1255, 45399 on Celestrak

View STARLINK-1255, 45399 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

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