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 (5 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, 10.1 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 STARLINK-3051
1 49157U 21082AD  26125.44061308  .00008290  00000-0  58697-3 0  9998
2 49157  69.9969 127.2118 0004774 223.4751 136.6035 15.05143200256170

Epoch: 2026-05-05T10:34Z

TLE epoch observation values (Epoch: 2026-05-05T10:34:28.970Z)

Latitude

-0.00007°

Longitude

105.27565°

Altitude

555.902 km

Speed

7.583 km/s

True Right ascension

08h 28m 50s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

09:05:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

552.315 km

Perigee altitude

545.701 km

Semi-major axis

6,927.145 km

Eccentricity

0.00048

Inclination

69.9969°

RAAN

127.2118°

Arg. of periapsis

223.4751°

True anomaly

136.64107°

Mean anomaly

136.6035°

Eccentric anomaly

136.62229°

Mean motion

3.76454 °/min

Orbital period

95.63 mins

BSTAR

0.00058697

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

FALCON 9 R/B, 49130 (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.
4 mins	2026-05-06 02:43:08.288Z	278.964° WNW	2026-05-06 02:44:08.288Z	296.493° NW	16.967°	2026-05-06 02:47:08.288Z	346.544° N
6 mins	2026-05-06 11:04:08.288Z	340.82° N	2026-05-06 11:06:08.288Z	34.405° NE	44.427°	2026-05-06 11:10:08.288Z	152.952° SSE
6 mins	2026-05-07 01:00:08.288Z	173.982° S	2026-05-07 01:02:08.288Z	116.539° SE	37.143°	2026-05-07 01:06:08.288Z	35.525° NE

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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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-05-05T10:34:28.970Z)

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: 15 hours ago