STARLINK-2235, 48581
Orbit data source: Space-Track
STARLINK-2235, 48581 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 15 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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48581 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: 1 day ago
TLE from 1 day ago
0 STARLINK-2235
1 48581U 21041AE 25349.64802972 .00000646 00000-0 62224-4 0 9991
2 48581 53.0550 113.9052 0001172 91.7458 268.3665 15.06400134253035Epoch: 2025-12-15T15:33Z
TLE epoch observation values (Epoch: 2025-12-15T15:33:09.767Z)
Latitude
-0.00006°
Longitude
156.07088°
Altitude
548.114 km
Speed
7.589 km/s
True Right ascension
07h 35m 37s
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
17:49:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.293 km
Perigee altitude
546.67 km
Semi-major axis
6,925.619 km
Eccentricity
0.00012
Inclination
53.055°
RAAN
113.9052°
Arg. of periapsis
91.7458°
True anomaly
268.35308°
Mean anomaly
268.3665°
Eccentric anomaly
268.35979°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.000062224
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Other satellites on launch #41 in the year 2021 (2021-05-15 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-2235 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-12-16 19:11:11.472Z | 272.776° WNW | 2025-12-16 19:13:11.472Z | 240.314° WSW | 18.228° | 2025-12-16 19:16:11.472Z | 189.335° SSW |
| 6 mins | 2025-12-17 10:44:11.472Z | 222.103° SW | 2025-12-17 10:46:11.472Z | 194.568° SSW | 43.262° | 2025-12-17 10:50:11.472Z | 52.848° ENE |
| 4 mins | 2025-12-17 12:25:11.472Z | 309.791° NW | 2025-12-17 12:26:11.472Z | 330.589° NNW | 20.957° | 2025-12-17 12:29:11.472Z | 24.756° NE |
| 4 mins | 2025-12-17 15:46:11.472Z | 346.2° N | 2025-12-17 15:48:11.472Z | 22.829° NE | 18.483° | 2025-12-17 15:50:11.472Z | 57.607° ENE |
| 6 mins | 2025-12-17 17:25:11.472Z | 313.887° NW | 2025-12-17 17:28:11.472Z | 54.09° ENE | 44.223° | 2025-12-17 17:31:11.472Z | 124.195° SE |
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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