STARLINK-2537, 48301
Orbit data source: Space-Track
STARLINK-2537, 48301 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 29 Apr 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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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: 21 hours ago
TLE from 21 hours ago
0 STARLINK-2537
1 48301U 21036AB 25352.58433549 -.00002601 00000-0 -15583-3 0 9992
2 48301 53.0561 95.7127 0001232 88.3043 271.8088 15.06393199255948Epoch: 2025-12-18T14:01Z
TLE epoch observation values (Epoch: 2025-12-18T14:01:26.586Z)
Latitude
0.00006°
Longitude
157.91422°
Altitude
548.085 km
Speed
7.589 km/s
True Right ascension
06h 22m 51s
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
10:15:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.356 km
Perigee altitude
546.65 km
Semi-major axis
6,925.64 km
Eccentricity
0.00012
Inclination
53.0561°
RAAN
95.7127°
Arg. of periapsis
88.3043°
True anomaly
271.79469°
Mean anomaly
271.8088°
Eccentric anomaly
271.80174°
Mean motion
3.76577 °/min
Orbital period
95.6 mins
BSTAR
-0.00015583
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Other satellites on launch #36 in the year 2021 (2021-04-29 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-2537 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 | 2025-12-19 14:20:33.755Z | 349.251° N | 2025-12-19 14:22:33.755Z | 23.737° NE | 15.54° | 2025-12-19 14:24:33.755Z | 53.671° ENE |
| 6 mins | 2025-12-19 15:59:33.755Z | 323.673° NNW | 2025-12-19 16:02:33.755Z | 45.729° ENE | 37.572° | 2025-12-19 16:05:33.755Z | 108.326° ESE |
| 5 mins | 2025-12-19 17:39:33.755Z | 270.784° WNW | 2025-12-19 17:41:33.755Z | 232.896° WSW | 21.046° | 2025-12-19 17:44:33.755Z | 181.657° SSW |
| 7 mins | 2025-12-20 09:11:33.755Z | 217.223° SW | 2025-12-20 09:14:33.755Z | 138.645° SSE | 42.764° | 2025-12-20 09:18:33.755Z | 54.94° ENE |
| 5 mins | 2025-12-20 10:52:33.755Z | 297.003° NW | 2025-12-20 10:54:33.755Z | 339.205° N | 22.479° | 2025-12-20 10:57:33.755Z | 29.383° NE |
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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