STARLINK-2581, 48412
Orbit data source: Space-Track
STARLINK-2581, 48412 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 04 May 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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48412 intel report (Beta)
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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: 2 days ago
TLE from 2 days ago
0 STARLINK-2581
1 48412U 21038BM 26171.30300397 .00000961 00000-0 42725-4 0 9995
2 48412 53.1603 179.0793 0001495 103.1096 257.0072 15.31702950283665Epoch: 2026-06-20T07:16Z
TLE epoch observation values (Epoch: 2026-06-20T07:16:19.543Z)
Latitude
-0.00002°
Longitude
161.47829°
Altitude
471.862 km
Speed
7.631 km/s
True Right ascension
11h 56m 19s
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
21:24:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
472.012 km
Perigee altitude
469.964 km
Semi-major axis
6,849.125 km
Eccentricity
0.00015
Inclination
53.1603°
RAAN
179.0793°
Arg. of periapsis
103.1096°
True anomaly
256.99051°
Mean anomaly
257.0072°
Eccentric anomaly
256.99885°
Mean motion
3.82905 °/min
Orbital period
94.02 mins
BSTAR
0.000042725
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Other satellites on launch #38 in the year 2021 (2021-05-04 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-2581 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 | 2026-06-23 01:11:42.596Z | 161.035° S | 2026-06-23 01:13:42.596Z | 127.201° SE | 14.163° | 2026-06-23 01:15:42.596Z | 93.186° ESE |
| 6 mins | 2026-06-23 02:48:42.596Z | 244.436° WSW | 2026-06-23 02:50:42.596Z | 283.428° WNW | 39.817° | 2026-06-23 02:54:42.596Z | 44.503° NE |
| 4 mins | 2026-06-23 07:45:42.596Z | 345.222° N | 2026-06-23 07:47:42.596Z | 25.558° NE | 18.612° | 2026-06-23 07:49:42.596Z | 64.496° ENE |
| 5 mins | 2026-06-23 09:23:42.596Z | 304.613° NW | 2026-06-23 09:25:42.596Z | 240.125° WSW | 44.138° | 2026-06-23 09:28:42.596Z | 137.102° 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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