STARLINK-2545, 48289
Orbit data source: Space-Track
STARLINK-2545, 48289 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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48289 intel report (Beta)
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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: 23 hours ago
TLE from 23 hours ago
0 STARLINK-2545
1 48289U 21036P 25341.15517360 -.00000592 00000-0 -20841-4 0 9993
2 48289 53.0552 137.0262 0001396 90.4124 269.7025 15.06382765254367Epoch: 2025-12-07T03:43Z
TLE epoch observation values (Epoch: 2025-12-07T03:43:26.999Z)
Latitude
0°
Longitude
4.99109°
Altitude
548.149 km
Speed
7.589 km/s
True Right ascension
09h 08m 06s
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
01:02:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.502 km
Perigee altitude
546.568 km
Semi-major axis
6,925.672 km
Eccentricity
0.00014
Inclination
53.0552°
RAAN
137.0262°
Arg. of periapsis
90.4124°
True anomaly
269.6865°
Mean anomaly
269.7025°
Eccentric anomaly
269.6945°
Mean motion
3.76574 °/min
Orbital period
95.6 mins
BSTAR
-0.000020841
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Other satellites on launch #36 in the year 2021 (2021-04-29 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-2545 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 | 2025-12-08 11:43:41.650Z | 155.797° SSE | 2025-12-08 11:45:41.650Z | 122.097° SE | 15.794° | 2025-12-08 11:47:41.650Z | 90.959° ESE |
| 6 mins | 2025-12-08 13:21:41.650Z | 241.853° WSW | 2025-12-08 13:24:41.650Z | 337.7° N | 42.609° | 2025-12-08 13:27:41.650Z | 43.76° NE |
| 4 mins | 2025-12-08 18:24:41.650Z | 350.836° N | 2025-12-08 18:26:41.650Z | 34.943° NE | 22.078° | 2025-12-08 18:28:41.650Z | 70.898° E |
| 6 mins | 2025-12-08 20:03:41.650Z | 300.888° NW | 2025-12-08 20:05:41.650Z | 261.88° W | 41.644° | 2025-12-08 20:09:41.650Z | 140.957° SSE |
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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