STARLINK-1540, 46051

Orbit data source: Space-Track

STARLINK-1540, 46051 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 07 Aug 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 URL

https://www.satcat.com/sats-embedded/46051?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

46051, 2020-055AA

Orbit

LEO

Last TLE update

19 hours 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)

2020-08-07 (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 19 hours ago

0 STARLINK-1540
1 46051U 20055AA  25191.53413439  .00000928  00000-0  81202-4 0  9994
2 46051  53.0550 123.6960 0001434  91.4127 268.7026 15.06393512272028

Epoch: 2025-07-10T12:49Z

TLE epoch observation values (Epoch: 2025-07-10T12:49:09.211Z)

Latitude

-0.00003°

Longitude

2.70856°

Altitude

548.133 km

Speed

7.589 km/s

True Right ascension

08h 14m 47s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

4.654°

Longitude

2.61945°

Altitude

547.584 km

Speed

7.59 km/s

Apparent Right ascension

08h 14m 30s

Apparent Declination

-16° 34' 25"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

20:14:37

Azimuth

0.072° NNE

Elevation

-66.658°

Doppler factor

Orbital elements

Apogee altitude

548.495 km

Perigee altitude

546.509 km

Semi-major axis

6,925.639 km

Eccentricity

0.00014

Inclination

53.055°

RAAN

123.696°

Arg. of periapsis

91.4127°

True anomaly

Unknown

Mean anomaly

268.7026°

Eccentric anomaly

Unknown

Mean motion

3.76577 °/min

Orbital period

95.6 mins

BSTAR

0.000081202

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Other satellites on launch #55 in the year 2020 (2020-08-07 UTC)

STARLINK-1561, 46056 (Decayed)

STARLINK-1562, 46057 (Decayed)

STARLINK-1574, 46062 (Decayed)

STARLINK-1577, 46063

STARLINK-1583, 46064

STARLINK-1540 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.
5 mins	2025-07-11 20:49:09.910Z	167.307° S	2025-07-11 20:51:09.910Z	133.358° SE	18.728°	2025-07-11 20:54:09.910Z	83.148° E
6 mins	2025-07-11 22:28:09.910Z	251.422° W	2025-07-11 22:30:09.910Z	293.821° NW	38.58°	2025-07-11 22:34:09.910Z	42.051° NE
4 mins	2025-07-12 00:09:09.910Z	314.486° NW	2025-07-12 00:11:09.910Z	349.285° N	16.339°	2025-07-12 00:13:09.910Z	20.857° NNE
5 mins	2025-07-12 03:30:09.910Z	340.122° N	2025-07-12 03:32:09.910Z	20.416° NNE	24.322°	2025-07-12 03:35:09.910Z	79.208° E
6 mins	2025-07-12 05:09:09.910Z	298.45° NW	2025-07-12 05:12:09.910Z	221.541° SW	39.668°	2025-07-12 05:15:09.910Z	149.708° SSE

Authenticating...

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Check out STARLINK-1540, 46051 on other resources

View STARLINK-1540, 46051 on NASA - NSSDCA Website

View STARLINK-1540, 46051 on Heavens-Above

View STARLINK-1540, 46051 on Keep Track

View STARLINK-1540, 46051 on Celestrak

View STARLINK-1540, 46051 on Gunter's Space Page

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