STARLINK-5634, 55439
Orbit data source: Space-Track
STARLINK-5634, 55439 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 31 Jan 2023 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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55439 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
305 kg wet, ~290 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-5634
1 55439U 23014BA 26171.34478189 -.00000205 00000-0 -93401-5 0 9998
2 55439 69.9991 205.6948 0003698 264.5410 95.5327 14.98331154186446Epoch: 2026-06-20T08:16Z
TLE epoch observation values (Epoch: 2026-06-20T08:16:29.155Z)
Latitude
-0.00004°
Longitude
173.01256°
Altitude
574.725 km
Speed
7.574 km/s
True Right ascension
13h 42m 46s
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
21:23:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.57 km
Perigee altitude
567.431 km
Semi-major axis
6,948.138 km
Eccentricity
0.00037
Inclination
69.9991°
RAAN
205.6948°
Arg. of periapsis
264.541°
True anomaly
95.57488°
Mean anomaly
95.5327°
Eccentric anomaly
95.55379°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
-0.0000093401
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Other satellites on launch #14 in the year 2023 (2023-01-31 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-5634 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 12:04:41.502Z | 5.405° NNE | 2026-06-22 12:07:41.502Z | 52.587° ENE | 20.249° | 2026-06-22 12:10:41.502Z | 103.24° ESE |
| 6 mins | 2026-06-22 13:43:41.502Z | 305.442° NW | 2026-06-22 13:45:41.502Z | 267.178° W | 27.293° | 2026-06-22 13:49:41.502Z | 190.652° SSW |
| 6 mins | 2026-06-23 03:43:41.502Z | 233.139° WSW | 2026-06-23 03:45:41.502Z | 275.83° WNW | 34.79° | 2026-06-23 03:49:41.502Z | 10.237° NNE |
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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