STARLINK-2734, 48657
Orbit data source: Space-Track
STARLINK-2734, 48657 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 26 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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48657 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: 1 day ago
TLE from 1 day ago
0 STARLINK-2734
1 48657U 21044V 25348.70666407 .00000034 00000-0 21164-4 0 9994
2 48657 53.0541 142.7640 0001240 89.7549 270.3582 15.06404583250902Epoch: 2025-12-14T16:57Z
TLE epoch observation values (Epoch: 2025-12-14T16:57:35.775Z)
Latitude
-0.00004°
Longitude
164.74918°
Altitude
548.071 km
Speed
7.589 km/s
True Right ascension
09h 31m 03s
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
02:28:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.327 km
Perigee altitude
546.61 km
Semi-major axis
6,925.605 km
Eccentricity
0.00012
Inclination
53.0541°
RAAN
142.764°
Arg. of periapsis
89.7549°
True anomaly
270.34399°
Mean anomaly
270.3582°
Eccentric anomaly
270.3511°
Mean motion
3.76579 °/min
Orbital period
95.6 mins
BSTAR
0.000021164
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Other satellites on launch #44 in the year 2021 (2021-05-26 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-2734 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-16 12:06:21.108Z | 197.876° SSW | 2025-12-16 12:09:21.108Z | 144.798° SSE | 30.851° | 2025-12-16 12:13:21.108Z | 65.501° ENE |
| 5 mins | 2025-12-16 13:47:21.108Z | 281.71° WNW | 2025-12-16 13:49:21.108Z | 334.588° NNW | 29.429° | 2025-12-16 13:52:21.108Z | 32.317° NE |
| 6 mins | 2025-12-16 18:48:21.108Z | 328.713° NNW | 2025-12-16 18:51:21.108Z | 45.541° ENE | 32.968° | 2025-12-16 18:54:21.108Z | 101.05° ESE |
| 5 mins | 2025-12-16 20:28:21.108Z | 275.314° WNW | 2025-12-16 20:30:21.108Z | 231.666° WSW | 25.941° | 2025-12-16 20:33:21.108Z | 173.73° S |
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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