STARLINK-2501, 48330
Orbit data source: Space-Track
STARLINK-2501, 48330 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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-2501
1 48330U 21036BG 26036.96764516 -.00002010 00000-0 -11602-3 0 9999
2 48330 53.0518 244.0230 0002800 74.9214 285.2085 15.06394017263258Epoch: 2026-02-05T23:13Z
TLE epoch observation values (Epoch: 2026-02-05T23:13:24.541Z)
Latitude
-0.00001°
Longitude
119.55847°
Altitude
547.601 km
Speed
7.59 km/s
True Right ascension
16h 16m 05s
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
18:53:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
549.44 km
Perigee altitude
545.562 km
Semi-major axis
6,925.638 km
Eccentricity
0.00028
Inclination
53.0518°
RAAN
244.023°
Arg. of periapsis
74.9214°
True anomaly
285.17754°
Mean anomaly
285.2085°
Eccentric anomaly
285.19302°
Mean motion
3.76577 °/min
Orbital period
95.6 mins
BSTAR
-0.00011602
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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-2501 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 | 2026-02-06 16:55:50.687Z | 246.819° WSW | 2026-02-06 16:59:50.687Z | 339.861° N | 38.669° | 2026-02-06 17:02:50.687Z | 40.015° NE |
| 6 mins | 2026-02-06 21:58:50.687Z | 336.032° NNW | 2026-02-06 22:01:50.687Z | 39.587° NE | 24.566° | 2026-02-06 22:04:50.687Z | 86.786° E |
| 6 mins | 2026-02-06 23:38:50.687Z | 292.107° WNW | 2026-02-06 23:40:50.687Z | 239.09° WSW | 38.203° | 2026-02-06 23:44:50.687Z | 148.786° SSE |
| 5 mins | 2026-02-07 15:11:50.687Z | 176.655° S | 2026-02-07 15:13:50.687Z | 134.172° SE | 25.4° | 2026-02-07 15:16:50.687Z | 76.171° E |
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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