STARLINK-3157, 49413
Orbit data source: Space-Track
STARLINK-3157, 49413 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 13 Nov 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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49413 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: 1 week ago
TLE from 1 week ago
0 STARLINK-3157
1 49413U 21104F 26154.62349785 .00000051 00000-0 21286-4 0 9990
2 49413 53.1822 193.3347 0001114 70.6516 289.4596 15.08835900251747Epoch: 2026-06-03T14:57Z
TLE epoch observation values (Epoch: 2026-06-03T14:57:50.214Z)
Latitude
-0.00002°
Longitude
76.79601°
Altitude
540.393 km
Speed
7.594 km/s
True Right ascension
12h 53m 20s
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
16:14:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.777 km
Perigee altitude
539.236 km
Semi-major axis
6,918.143 km
Eccentricity
0.00011
Inclination
53.1822°
RAAN
193.3347°
Arg. of periapsis
70.6516°
True anomaly
289.44756°
Mean anomaly
289.4596°
Eccentric anomaly
289.45358°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000021286
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Other satellites on launch #104 in the year 2021 (2021-11-13 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-3157 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 | 2026-06-11 07:49:53.906Z | 354.678° N | 2026-06-11 07:50:53.906Z | 13.292° NNE | 17.908° | 2026-06-11 07:53:53.906Z | 63.882° ENE |
| 6 mins | 2026-06-11 09:28:53.906Z | 316.362° NNW | 2026-06-11 09:30:53.906Z | 2.182° NNE | 43.69° | 2026-06-11 09:34:53.906Z | 125.104° SE |
| 6 mins | 2026-06-12 02:38:53.906Z | 235.46° WSW | 2026-06-12 02:41:53.906Z | 17.584° NNE | 43.23° | 2026-06-12 02:44:53.906Z | 47.183° ENE |
| 4 mins | 2026-06-12 04:19:53.906Z | 311.167° NW | 2026-06-12 04:21:53.906Z | 349.681° N | 17.988° | 2026-06-12 04:23:53.906Z | 21.808° NNE |
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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