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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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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-2537
1 48301U 21036AB 26138.13739771 .00002097 00000-0 79307-4 0 9994
2 48301 53.1605 128.2020 0001452 84.0773 276.0393 15.31702777278810Epoch: 2026-05-18T03:17Z
TLE epoch observation values (Epoch: 2026-05-18T03:17:51.162Z)
Latitude
-0.00007°
Longitude
-157.09121°
Altitude
471.528 km
Speed
7.632 km/s
True Right ascension
08h 32m 48s
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
20:49:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.983 km
Perigee altitude
469.994 km
Semi-major axis
6,849.125 km
Eccentricity
0.00015
Inclination
53.1605°
RAAN
128.202°
Arg. of periapsis
84.0773°
True anomaly
276.02275°
Mean anomaly
276.0393°
Eccentric anomaly
276.03103°
Mean motion
3.82905 °/min
Orbital period
94.02 mins
BSTAR
0.000079307
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-05-19 01:23:00.441Z | 197.826° SSW | 2026-05-19 01:26:00.441Z | 123.576° SE | 31.025° | 2026-05-19 01:29:00.441Z | 65.729° ENE |
| 4 mins | 2026-05-19 03:02:00.441Z | 287.249° WNW | 2026-05-19 03:04:00.441Z | 342.3° N | 25.288° | 2026-05-19 03:06:00.441Z | 24.301° NE |
| 5 mins | 2026-05-19 07:58:00.441Z | 333.927° NNW | 2026-05-19 08:00:00.441Z | 22.276° NNE | 29.705° | 2026-05-19 08:03:00.441Z | 95.545° ESE |
| 5 mins | 2026-05-19 09:36:00.441Z | 276.121° WNW | 2026-05-19 09:38:00.441Z | 227.666° WSW | 25.14° | 2026-05-19 09:41:00.441Z | 169.432° 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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