STARLINK-5371, 55489
Orbit data source: Space-Track
STARLINK-5371, 55489 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 Feb 2023 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
55489 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Create New Watchlist
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 10.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 STARLINK-5371
1 55489U 23015AS 26083.50002314 .00020952 00000-0 78883-3 0 9991
2 55489 42.9998 255.9237 0001456 257.2086 53.1671 15.26728223 5818Epoch: 2026-03-24T12:00Z
TLE epoch observation values (Epoch: 2026-03-24T12:00:01.999Z)
Latitude
-31.47121°
Longitude
-146.81375°
Altitude
493.594 km
Speed
7.619 km/s
True Right ascension
14h 20m 41s
True Declination
-31° 18' 45"
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
09:01:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
488.545 km
Perigee altitude
486.546 km
Semi-major axis
6,865.682 km
Eccentricity
0.00015
Inclination
42.9998°
RAAN
255.9237°
Arg. of periapsis
257.2086°
True anomaly
53.18046°
Mean anomaly
53.1671°
Eccentric anomaly
53.17378°
Mean motion
3.8152 °/min
Orbital period
94.36 mins
BSTAR
0.00078883
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #15 in the year 2023 (2023-02-02 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-5371 Visibility forecast
Loading observer location...
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 | 2026-03-25 15:09:27.923Z | 232.197° WSW | 2026-03-25 15:11:27.923Z | 161.81° S | 42.132° | 2026-03-25 15:14:27.923Z | 76.911° E |
| 5 mins | 2026-03-25 16:48:27.923Z | 283.468° WNW | 2026-03-25 16:50:27.923Z | 344.029° N | 39.048° | 2026-03-25 16:53:27.923Z | 69.402° E |
| 6 mins | 2026-03-25 18:27:27.923Z | 293.542° NW | 2026-03-25 18:29:27.923Z | 333.661° NNW | 40.686° | 2026-03-25 18:33:27.923Z | 94.61° ESE |
| 5 mins | 2026-03-25 20:06:27.923Z | 270.283° WNW | 2026-03-25 20:08:27.923Z | 223.427° SW | 32.311° | 2026-03-25 20:11:27.923Z | 143.896° 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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|