STARLINK-3055, 49137
Orbit data source: Space-Track
STARLINK-3055, 49137 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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49137 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
297 kg wet, ~275 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 STARLINK-3055
1 49137U 21082H 25340.63380954 -.00000038 00000-0 46434-5 0 9997
2 49137 69.9992 149.5713 0002894 270.5863 89.4964 14.97521233232525Epoch: 2025-12-06T15:12Z
TLE epoch observation values (Epoch: 2025-12-06T15:12:41.144Z)
Latitude
-0.00001°
Longitude
-154.25888°
Altitude
576.964 km
Speed
7.573 km/s
True Right ascension
09h 58m 17s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
20:27:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
574.519 km
Perigee altitude
570.496 km
Semi-major axis
6,950.644 km
Eccentricity
0.00029
Inclination
69.9992°
RAAN
149.5713°
Arg. of periapsis
270.5863°
True anomaly
89.52956°
Mean anomaly
89.4964°
Eccentric anomaly
89.51298°
Mean motion
3.74546 °/min
Orbital period
96.12 mins
BSTAR
0.0000046434
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Other satellites on launch #82 in the year 2021 (2021-09-14 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-3055 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 | 2025-12-06 23:49:21.065Z | 287.269° WNW | 2025-12-06 23:51:21.065Z | 256.964° W | 14.373° | 2025-12-06 23:53:21.065Z | 226.855° WSW |
| 6 mins | 2025-12-07 12:11:21.065Z | 159.223° S | 2025-12-07 12:14:21.065Z | 92.924° ESE | 26.568° | 2025-12-07 12:17:21.065Z | 46.518° ENE |
| 5 mins | 2025-12-07 13:50:21.065Z | 267.979° W | 2025-12-07 13:52:21.065Z | 306.674° NW | 20.889° | 2025-12-07 13:55:21.065Z | 354.754° N |
| 6 mins | 2025-12-07 22:14:21.065Z | 346.671° N | 2025-12-07 22:16:21.065Z | 40.654° NE | 42.655° | 2025-12-07 22:20:21.065Z | 147.697° SSE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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