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.

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<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

Last TLE update

1 day 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)

2020-03-18 (5 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, 8.86 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 STARLINK-1255
1 45399U 20019AR  25182.69340465 -.00000170  00000-0  74535-5 0  9995
2 45399  53.0536 183.3865 0001142  76.7802 283.3314 15.06397516292129

Epoch: 2025-07-01T16:38Z

TLE epoch observation values (Epoch: 2025-07-01T16:38:30.161Z)

Latitude

-0.00006°

Longitude

13.77559°

Altitude

547.916 km

Speed

7.589 km/s

True Right ascension

12h 13m 32s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

2.6842°

Longitude

11.31349°

Altitude

547.602 km

Speed

7.59 km/s

Apparent Right ascension

13h 45m 51s

Apparent Declination

-20° 18' 34"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

04:15:52

Azimuth

69.704° E

Elevation

-52.498°

Doppler factor

Orbital elements

Apogee altitude

548.281 km

Perigee altitude

546.699 km

Semi-major axis

6,925.627 km

Eccentricity

0.00011

Inclination

53.0536°

RAAN

183.3865°

Arg. of periapsis

76.7802°

True anomaly

Unknown

Mean anomaly

283.3314°

Eccentric anomaly

Unknown

Mean motion

3.76578 °/min

Orbital period

95.6 mins

BSTAR

0.0000074535

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

STARLINK-1279, 45360

STARLINK-1267, 45384

STARLINK-1268, 45385 (Decayed)

STARLINK-1289, 45391 (Decayed)

STARLINK-1290, 45392 (Decayed)

STARLINK-1291, 45393 (Decayed)

STARLINK-1292, 45394

STARLINK-1297, 45395

STARLINK-1303, 45396 (Decayed)

STARLINK-1307, 45397

STARLINK-1255 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	2025-07-03 02:14:28.745Z	215.09° SW	2025-07-03 02:18:28.745Z	112.992° SE	40.283°	2025-07-03 02:21:28.745Z	58.668° ENE
4 mins	2025-07-03 03:56:28.745Z	300.751° NW	2025-07-03 03:57:28.745Z	322.445° NNW	23.26°	2025-07-03 04:00:28.745Z	23.372° NE
6 mins	2025-07-03 08:57:28.745Z	323.675° NNW	2025-07-03 08:59:28.745Z	19.84° NNE	40.716°	2025-07-03 09:03:28.745Z	116.982° SE
4 mins	2025-07-03 10:37:28.745Z	257.979° W	2025-07-03 10:38:28.745Z	239.964° WSW	17.558°	2025-07-03 10:41:28.745Z	190.282° SSW

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.