STARLINK-2757, 48604
Orbit data source: Space-Track
STARLINK-2757, 48604 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 15 May 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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48604 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
260 kg wet, ~248 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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-2757
1 48604U 21041BD 25348.91588462 .00004912 00000-0 34826-3 0 9997
2 48604 53.0546 162.1829 0001136 86.2237 273.8882 15.06418855253556Epoch: 2025-12-14T21:58Z
TLE epoch observation values (Epoch: 2025-12-14T21:58:52.431Z)
Latitude
0°
Longitude
108.6425°
Altitude
547.98 km
Speed
7.589 km/s
True Right ascension
10h 48m 43s
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
13:19:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.211 km
Perigee altitude
546.638 km
Semi-major axis
6,925.561 km
Eccentricity
0.00011
Inclination
53.0546°
RAAN
162.1829°
Arg. of periapsis
86.2237°
True anomaly
273.87521°
Mean anomaly
273.8882°
Eccentric anomaly
273.88171°
Mean motion
3.76583 °/min
Orbital period
95.6 mins
BSTAR
0.00034826
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Other satellites on launch #41 in the year 2021 (2021-05-15 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-2757 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 | 2025-12-15 15:44:21.442Z | 279.965° WNW | 2025-12-15 15:47:21.442Z | 341.243° N | 24.993° | 2025-12-15 15:50:21.442Z | 31.518° NE |
| 6 mins | 2025-12-15 20:46:21.442Z | 324.871° NNW | 2025-12-15 20:48:21.442Z | 7.75° NNE | 37.535° | 2025-12-15 20:52:21.442Z | 111.959° ESE |
| 4 mins | 2025-12-15 22:26:21.442Z | 264.489° W | 2025-12-15 22:28:21.442Z | 225.152° WSW | 19.8° | 2025-12-15 22:30:21.442Z | 190.421° SSW |
| 6 mins | 2025-12-16 13:58:21.442Z | 218.67° SW | 2025-12-16 14:01:21.442Z | 94.667° ESE | 42.437° | 2025-12-16 14:04:21.442Z | 54.892° ENE |
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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