STARLINK-3051, 49157

Orbit data source: Space-Track

STARLINK-3051, 49157 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 14 Sep 2021 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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https://www.satcat.com/sats-embedded/49157?theme=dark&initialShowStats=false

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Identifier

49157, 2021-082AD

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

297 kg wet, ~275 kg dry

Launch date (UTC)

2021-09-14 (4 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

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
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 STARLINK-3051
1 49157U 21082AD  25256.27106839  .00002857  00000-0  24535-3 0  9999
2 49157  70.0021   1.7686 0003152 270.1769  89.9029 14.98611541220998

Epoch: 2025-09-13T06:30Z

TLE epoch observation values (Epoch: 2025-09-13T06:30:20.308Z)

Latitude

-0.00005°

Longitude

-88.32286°

Altitude

573.607 km

Speed

7.574 km/s

True Right ascension

00h 07m 04s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

16:37:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

571.323 km

Perigee altitude

566.943 km

Semi-major axis

6,947.27 km

Eccentricity

0.00032

Inclination

70.0021°

RAAN

1.7686°

Arg. of periapsis

270.1769°

True anomaly

89.93902°

Mean anomaly

89.9029°

Eccentric anomaly

89.92096°

Mean motion

3.74819 °/min

Orbital period

96.05 mins

BSTAR

0.00024535

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Other satellites on launch #82 in the year 2021 (2021-09-14 UTC)

FALCON 9 R/B, 49130 (Decayed)

STARLINK-3082, 49162 (Decayed)

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STARLINK-3051 Visibility forecast

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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	2025-09-14 08:16:14.454Z	189.539° SSW	2025-09-14 08:19:14.454Z	124.493° SE	41.526°	2025-09-14 08:23:14.454Z	31.591° NE
6 mins	2025-09-14 18:19:14.454Z	321.848° NNW	2025-09-14 18:22:14.454Z	215.92° SW	39.169°	2025-09-14 18:25:14.454Z	171.316° S

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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out STARLINK-3051, 49157 on other resources

View STARLINK-3051, 49157 on NASA - NSSDCA Website

View STARLINK-3051, 49157 on Heavens-Above

View STARLINK-3051, 49157 on Keep Track

View STARLINK-3051, 49157 on Celestrak

View STARLINK-3051, 49157 on Gunter's Space Page

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

STARLINK-3051, 49157

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2025-09-13T06:30:20.308Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #82 in the year 2021 (2021-09-14 UTC)

STARLINK-3051 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-3051, 49157 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 18 hours ago