STARLINK-2521, 48648
Orbit data source: Space-Track
STARLINK-2521, 48648 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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48648 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
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: 3 days ago
TLE from 3 days ago
0 STARLINK-2521
1 48648U 21044L 26170.93148034 .00001378 00000-0 56168-4 0 9998
2 48648 53.1608 358.3548 0000987 79.3207 280.7905 15.31702455279498Epoch: 2026-06-19T22:21Z
TLE epoch observation values (Epoch: 2026-06-19T22:21:19.901Z)
Latitude
-0.00006°
Longitude
114.86846°
Altitude
471.507 km
Speed
7.632 km/s
True Right ascension
23h 53m 25s
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
21:39:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.665 km
Perigee altitude
470.313 km
Semi-major axis
6,849.126 km
Eccentricity
0.0001
Inclination
53.1608°
RAAN
358.3548°
Arg. of periapsis
79.3207°
True anomaly
280.77939°
Mean anomaly
280.7905°
Eccentric anomaly
280.78494°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.000056168
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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-2521 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 14:45:32.948Z | 240.209° WSW | 2026-06-22 14:48:32.948Z | 12.991° NNE | 40.518° | 2026-06-22 14:51:32.948Z | 45.789° ENE |
| 4 mins | 2026-06-22 19:42:32.948Z | 344.922° N | 2026-06-22 19:44:32.948Z | 23.959° NE | 17.827° | 2026-06-22 19:46:32.948Z | 62.163° ENE |
| 5 mins | 2026-06-22 21:20:32.948Z | 308.068° NW | 2026-06-22 21:22:32.948Z | 278.759° WNW | 44.574° | 2026-06-22 21:25:32.948Z | 133.44° SE |
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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