STARLINK-3128, 49441
Orbit data source: Space-Track
STARLINK-3128, 49441 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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49441 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-3128
1 49441U 21104AK 26171.41668980 .00017307 00000-0 78037-3 0 9995
2 49441 53.1607 107.3836 0001661 84.3670 201.1748 15.21134477 5829Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-50.61808°
Longitude
-16.43492°
Altitude
520.983 km
Speed
7.602 km/s
True Right ascension
02h 48m 49s
True Declination
-50° 26' 37"
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
21:32:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
503.816 km
Perigee altitude
501.53 km
Semi-major axis
6,880.81 km
Eccentricity
0.00017
Inclination
53.1607°
RAAN
107.3836°
Arg. of periapsis
84.367°
True anomaly
201.16793°
Mean anomaly
201.1748°
Eccentric anomaly
201.17136°
Mean motion
3.80263 °/min
Orbital period
94.67 mins
BSTAR
0.00078037
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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-3128 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 20:49:20.979Z | 178.248° S | 2026-06-22 20:52:20.979Z | 119.771° SE | 20.991° | 2026-06-22 20:54:20.979Z | 83.215° E |
| 5 mins | 2026-06-22 22:28:20.979Z | 265.389° W | 2026-06-22 22:30:20.979Z | 330.477° NNW | 35.172° | 2026-06-22 22:33:20.979Z | 36.783° NE |
| 4 mins | 2026-06-23 03:27:20.979Z | 348.327° N | 2026-06-23 03:29:20.979Z | 38.109° NE | 23.945° | 2026-06-23 03:31:20.979Z | 78.057° E |
| 5 mins | 2026-06-23 05:05:20.979Z | 291.415° WNW | 2026-06-23 05:07:20.979Z | 241.291° WSW | 35.984° | 2026-06-23 05:10:20.979Z | 155.776° 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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