STARLINK-1551, 46075

Orbit data source: Space-Track

STARLINK-1551, 46075 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/46075?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

46075, 2020-055BA

Orbit

LEO

Last TLE update

15 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, 4.4 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 15 hours ago

0 STARLINK-1551
1 46075U 20055BA  25199.35016635  .00000555  00000-0  56153-4 0  9998
2 46075  53.0558  68.6145 0001453  91.3410 268.7745 15.06395540273987

Epoch: 2025-07-18T08:24Z

TLE epoch observation values (Epoch: 2025-07-18T08:24:14.372Z)

Latitude

-0.00007°

Longitude

6.15168°

Altitude

548.126 km

Speed

7.589 km/s

True Right ascension

04h 34m 27s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

53.16245°

Longitude

96.64984°

Altitude

552.758 km

Speed

7.592 km/s

Apparent Right ascension

03h 36m 57s

Apparent Declination

40° 06' 40"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

11:56:01

Azimuth

320.934° NNW

Elevation

4.526°

Doppler factor

Orbital elements

Apogee altitude

548.502 km

Perigee altitude

546.489 km

Semi-major axis

6,925.633 km

Eccentricity

0.00015

Inclination

53.0558°

RAAN

68.6145°

Arg. of periapsis

91.341°

True anomaly

268.75785°

Mean anomaly

268.7745°

Eccentric anomaly

268.76618°

Mean motion

3.76577 °/min

Orbital period

95.6 mins

BSTAR

0.000056153

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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-1551 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	2025-07-18 23:10:28.084Z	338.036° N	2025-07-18 23:12:28.084Z	10.537° NNE	18.593°	2025-07-18 23:15:28.084Z	63.382° ENE
6 mins	2025-07-19 00:50:28.084Z	313.227° NW	2025-07-19 00:53:28.084Z	107.955° ESE	42.725°	2025-07-19 00:56:28.084Z	126.899° SE
6 mins	2025-07-19 18:02:28.084Z	238.629° WSW	2025-07-19 18:05:28.084Z	5.001° NNE	42.908°	2025-07-19 18:08:28.084Z	46.047° ENE
4 mins	2025-07-19 19:43:28.084Z	308.758° NW	2025-07-19 19:45:28.084Z	345.573° N	18.103°	2025-07-19 19:47:28.084Z	19.233° NNE

Co-orbital & Co-planar RSOs

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

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Authenticating...

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Check out STARLINK-1551, 46075 on other resources

View STARLINK-1551, 46075 on NASA - NSSDCA Website

View STARLINK-1551, 46075 on Heavens-Above

View STARLINK-1551, 46075 on Keep Track

View STARLINK-1551, 46075 on Celestrak

View STARLINK-1551, 46075 on Gunter's Space Page

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