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

20 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 20 hours ago

0 STARLINK-1540
1 46051U 20055AA  25196.04570814 -.00000979  00000-0 -46811-4 0  9991
2 46051  53.0550 103.4426 0001706  99.0598 261.0584 15.06413578272704

Epoch: 2025-07-15T01:05Z

TLE epoch observation values (Epoch: 2025-07-15T01:05:49.183Z)

Latitude

-0.00002°

Longitude

153.8418°

Altitude

548.233 km

Speed

7.589 km/s

True Right ascension

06h 53m 46s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

14.33776°

Longitude

-40.88825°

Altitude

546.737 km

Speed

7.591 km/s

Apparent Right ascension

19h 24m 33s

Apparent Declination

-12° 50' 33"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

09:30:35

Azimuth

54.542° ENE

Elevation

-51.276°

Doppler factor

Orbital elements

Apogee altitude

548.622 km

Perigee altitude

546.259 km

Semi-major axis

6,925.578 km

Eccentricity

0.00017

Inclination

53.055°

RAAN

103.4426°

Arg. of periapsis

99.0598°

True anomaly

Unknown

Mean anomaly

261.0584°

Eccentric anomaly

Unknown

Mean motion

3.76582 °/min

Orbital period

95.6 mins

BSTAR

-0.000046811

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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	2025-07-15 22:03:13.593Z	288.681° WNW	2025-07-15 22:05:13.593Z	323.695° NNW	21.775°	2025-07-15 22:08:13.593Z	22.436° NNE
6 mins	2025-07-16 03:05:13.593Z	319.742° NNW	2025-07-16 03:07:13.593Z	15.619° NNE	42.685°	2025-07-16 03:11:13.593Z	121.383° SE
6 mins	2025-07-16 20:17:13.593Z	231.035° WSW	2025-07-16 20:19:13.593Z	240.253° WSW	43.992°	2025-07-16 20:23:13.593Z	49.638° ENE

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.