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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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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-2501
1 48330U 21036BG 26092.11960136 .00011228 00000-0 40076-3 0 9990
2 48330 53.1572 352.0395 0001239 73.5054 286.6083 15.29360741271639Epoch: 2026-04-02T02:52Z
TLE epoch observation values (Epoch: 2026-04-02T02:52:13.557Z)
Latitude
0.00002°
Longitude
118.51037°
Altitude
478.378 km
Speed
7.628 km/s
True Right ascension
23h 28m 09s
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
00:35:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
478.828 km
Perigee altitude
477.129 km
Semi-major axis
6,856.116 km
Eccentricity
0.00012
Inclination
53.1572°
RAAN
352.0395°
Arg. of periapsis
73.5054°
True anomaly
286.59469°
Mean anomaly
286.6083°
Eccentric anomaly
286.6015°
Mean motion
3.82319 °/min
Orbital period
94.16 mins
BSTAR
0.00040076
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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 | 2026-04-02 20:18:28.831Z | 240.41° WSW | 2026-04-02 20:21:28.831Z | 283.354° WNW | 40.145° | 2026-04-02 20:25:28.831Z | 44.651° NE |
| 5 mins | 2026-04-03 01:16:28.831Z | 339.002° N | 2026-04-03 01:18:28.831Z | 14.82° NNE | 18.647° | 2026-04-03 01:21:28.831Z | 71.265° E |
| 5 mins | 2026-04-03 02:55:28.831Z | 302.917° NW | 2026-04-03 02:57:28.831Z | 172.621° S | 43.178° | 2026-04-03 03:00:28.831Z | 136.747° SSE |
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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