STARLINK-3197, 49757
Orbit data source: Space-Track
STARLINK-3197, 49757 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 Dec 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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49757 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
290 kg wet, ~270 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: 2 days ago
TLE from 2 days ago
0 STARLINK-3197
1 49757U 21115AK 26171.35279789 .00004643 00000-0 30980-3 0 9999
2 49757 53.1600 38.1447 0001396 94.9695 265.1455 15.08817574251177Epoch: 2026-06-20T08:28Z
TLE epoch observation values (Epoch: 2026-06-20T08:28:01.737Z)
Latitude
-0.0001°
Longitude
2.56874°
Altitude
540.785 km
Speed
7.593 km/s
True Right ascension
02h 32m 34s
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
21:26:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
541.032 km
Perigee altitude
539.1 km
Semi-major axis
6,918.203 km
Eccentricity
0.00014
Inclination
53.16°
RAAN
38.1447°
Arg. of periapsis
94.9695°
True anomaly
265.12956°
Mean anomaly
265.1455°
Eccentric anomaly
265.13753°
Mean motion
3.77184 °/min
Orbital period
95.44 mins
BSTAR
0.0003098
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Other satellites on launch #115 in the year 2021 (2021-12-02 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-3197 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 16:15:23.483Z | 181.065° SSW | 2026-06-22 16:18:23.483Z | 127.954° SE | 22.407° | 2026-06-22 16:21:23.483Z | 76.662° E |
| 5 mins | 2026-06-22 17:55:23.483Z | 263.686° W | 2026-06-22 17:57:23.483Z | 321.774° NNW | 36.006° | 2026-06-22 18:00:23.483Z | 35.417° NE |
| 5 mins | 2026-06-22 22:56:23.483Z | 337.278° NNW | 2026-06-22 22:58:23.483Z | 17.384° NNE | 25.907° | 2026-06-22 23:01:23.483Z | 82.301° E |
| 6 mins | 2026-06-23 00:35:23.483Z | 293.721° NW | 2026-06-23 00:38:23.483Z | 217.934° SW | 35.599° | 2026-06-23 00:41:23.483Z | 155.951° 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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