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

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ISO8601 Format

Identifier

46051, 2020-055AA

Orbit

LEO

Last TLE update

18 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 18 hours ago

0 STARLINK-1540
1 46051U 20055AA  25128.50457580  .00004872  00000-0  34569-3 0  9991
2 46051  53.0547  46.6454 0001569  84.9941 275.1227 15.06402344263047

Epoch: 2025-05-08T12:06Z

Definitive object data (Epoch: 2025-05-08T12:06:35.349Z)

Latitude

-0.00001°

Longitude

-1.57601°

Altitude

547.987 km

Speed

7.589 km/s

True Right ascension

03h 06m 34s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

53.05546°

Longitude

79.09095°

Altitude

552.612 km

Speed

7.592 km/s

Apparent Right ascension

04h 59m 16s

Apparent Declination

13° 13' 11"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:09:10

Azimuth

314.016° NW

Elevation

-23.8°

Doppler factor

Orbital elements

Apogee altitude

548.562 km

Perigee altitude

546.388 km

Semi-major axis

6,925.612 km

Eccentricity

0.0001569

Inclination

53.0547°

RAAN

46.6454°

Arg. of periapsis

84.9941°

True anomaly

275.10479°

Mean anomaly

275.1227°

Eccentric anomaly

275.11375°

Mean motion

3.76579 °/min

BSTAR

0.00034569

Orbital period

95.6 mins

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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.
6 mins	2025-05-09 20:06:24.852Z	186.001° SSW	2025-05-09 20:09:24.852Z	130.635° SE	25.284°	2025-05-09 20:12:24.852Z	75.188° E
6 mins	2025-05-09 21:46:24.852Z	265.45° W	2025-05-09 21:48:24.852Z	310.795° NW	33.283°	2025-05-09 21:52:24.852Z	38.143° NE
5 mins	2025-05-10 02:48:24.852Z	337.556° N	2025-05-10 02:50:24.852Z	23.07° NE	28.862°	2025-05-10 02:53:24.852Z	88.748° E
6 mins	2025-05-10 04:27:24.852Z	288.834° WNW	2025-05-10 04:30:24.852Z	217.502° SW	31.753°	2025-05-10 04:33:24.852Z	161.512° S

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.