STARLINK-2255, 48597
Orbit data source: Space-Track
STARLINK-2255, 48597 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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48597 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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-2255
1 48597U 21041AW 25348.87167734 -.00000632 00000-0 -23540-4 0 9997
2 48597 53.0548 162.3801 0001507 91.5045 268.6117 15.06384019253545Epoch: 2025-12-14T20:55Z
TLE epoch observation values (Epoch: 2025-12-14T20:55:12.922Z)
Latitude
0.00003°
Longitude
124.79791°
Altitude
548.165 km
Speed
7.589 km/s
True Right ascension
10h 49m 31s
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
15:08:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.575 km
Perigee altitude
546.488 km
Semi-major axis
6,925.668 km
Eccentricity
0.00015
Inclination
53.0548°
RAAN
162.3801°
Arg. of periapsis
91.5045°
True anomaly
268.59444°
Mean anomaly
268.6117°
Eccentric anomaly
268.60307°
Mean motion
3.76574 °/min
Orbital period
95.6 mins
BSTAR
-0.00002354
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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-2255 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 | 2025-12-15 19:40:25.419Z | 348.211° N | 2025-12-15 19:42:25.419Z | 28.471° NE | 20.548° | 2025-12-15 19:44:25.419Z | 64.568° ENE |
| 6 mins | 2025-12-15 21:19:25.419Z | 307.208° NW | 2025-12-15 21:22:25.419Z | 158.236° S | 43.786° | 2025-12-15 21:25:25.419Z | 134.565° SE |
| 4 mins | 2025-12-16 12:53:25.419Z | 157.414° SSE | 2025-12-16 12:55:25.419Z | 121.002° SE | 17.552° | 2025-12-16 12:57:25.419Z | 88.666° E |
| 6 mins | 2025-12-16 14:31:25.419Z | 246.482° WSW | 2025-12-16 14:34:25.419Z | 336.437° NNW | 40.89° | 2025-12-16 14:37:25.419Z | 41.685° NE |
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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