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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/49177?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/49177?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

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: 9 hours ago

TLE from 9 hours ago

0 STARLINK-3103
1 49177U 21082AZ  25286.92083981  .00000304  00000-0  33294-4 0  9996
2 49177  69.9985 264.5152 0002804 270.6318  89.4520 14.98331699226171

Epoch: 2025-10-13T22:06Z

TLE epoch observation values (Epoch: 2025-10-13T22:06:00.559Z)

Latitude

-0.00001°

Longitude

-89.70382°

Altitude

574.456 km

Speed

7.574 km/s

True Right ascension

17h 38m 03s

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

01:26:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

571.947 km

Perigee altitude

568.051 km

Semi-major axis

6,948.136 km

Eccentricity

0.00028

Inclination

69.9985°

RAAN

264.5152°

Arg. of periapsis

270.6318°

True anomaly

89.48413°

Mean anomaly

89.452°

Eccentric anomaly

89.46807°

Mean motion

3.74749 °/min

Orbital period

96.06 mins

BSTAR

0.000033294

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

FALCON 9 DEB, 49184 (Decayed)

STARLINK-3082, 49162 (Decayed)

STARLINK-3101, 49168 (Decayed)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

STARLINK-3103 Visibility forecast

Loading observer location...
Set Observer location

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	2025-10-14 09:53:01.396Z	330.961° NNW	2025-10-14 09:56:01.396Z	190.196° SSW	43.09°	2025-10-14 09:59:01.396Z	162.022° S
6 mins	2025-10-14 23:53:01.396Z	193.565° SSW	2025-10-14 23:55:01.396Z	162.601° S	42.343°	2025-10-14 23:59:01.396Z	28.935° NE

Co-orbital & Co-planar RSOs

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

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

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

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2025-10-13T22:06:00.559Z)

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: 9 hours ago