STARLINK-3103, 49177

Orbit data source: Space-Track

STARLINK-3103, 49177 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/49177?theme=dark&initialShowStats=false

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Identifier

49177, 2021-082AZ

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, 10.1 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 STARLINK-3103
1 49177U 21082AZ  25340.66261851 -.00002119  00000-0 -16987-3 0  9999
2 49177  70.0011 129.0175 0002872 275.3351  84.7480 14.98319510234224

Epoch: 2025-12-06T15:54Z

TLE epoch observation values (Epoch: 2025-12-06T15:54:10.239Z)

Latitude

-0.00004°

Longitude

174.78769°

Altitude

574.33 km

Speed

7.574 km/s

True Right ascension

08h 36m 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

21:40:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.032 km

Perigee altitude

568.041 km

Semi-major axis

6,948.173 km

Eccentricity

0.00029

Inclination

70.0011°

RAAN

129.0175°

Arg. of periapsis

275.3351°

True anomaly

84.78077°

Mean anomaly

84.748°

Eccentric anomaly

84.76439°

Mean motion

3.74746 °/min

Orbital period

96.07 mins

BSTAR

-0.00016987

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

STARLINK-3101, 49168 (Decayed)

STARLINK-3042, 49142 (Decayed)

FALCON 9 R/B, 49130 (Decayed)

STARLINK-3078, 49134

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STARLINK-3103 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.
8 mins	2025-12-07 11:15:01.631Z	191.444° SSW	2025-12-07 11:19:01.631Z	107.482° ESE	41.483°	2025-12-07 11:23:01.631Z	31.371° NE
6 mins	2025-12-07 21:19:01.631Z	321.638° NNW	2025-12-07 21:21:01.631Z	279.361° WNW	39.611°	2025-12-07 21:25:01.631Z	170.809° S

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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-3103, 49177 on other resources

View STARLINK-3103, 49177 on NASA - NSSDCA Website

View STARLINK-3103, 49177 on Heavens-Above

View STARLINK-3103, 49177 on Keep Track

View STARLINK-3103, 49177 on Celestrak

View STARLINK-3103, 49177 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-3103, 49177

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2025-12-06T15:54:10.239Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-3103 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-3103, 49177 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago