STARLINK-5500, 55634
Orbit data source: Space-Track
STARLINK-5500, 55634 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Feb 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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55634 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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-5500
1 55634U 23021G 26091.29189009 .00529074 00000-0 39859-1 0 9999
2 55634 70.0022 147.4767 0011015 271.8799 88.1099 14.99937973171671Epoch: 2026-04-01T07:00Z
TLE epoch observation values (Epoch: 2026-04-01T07:00:19.303Z)
Latitude
-0.00007°
Longitude
-147.26058°
Altitude
569.27 km
Speed
7.577 km/s
True Right ascension
09h 49m 54s
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
00:38:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.682 km
Perigee altitude
557.386 km
Semi-major axis
6,943.171 km
Eccentricity
0.0011
Inclination
70.0022°
RAAN
147.4767°
Arg. of periapsis
271.8799°
True anomaly
88.23606°
Mean anomaly
88.1099°
Eccentric anomaly
88.17298°
Mean motion
3.75151 °/min
Orbital period
95.96 mins
BSTAR
0.039859
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Other satellites on launch #21 in the year 2023 (2023-02-17 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-5500 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 | 2026-04-02 03:56:33.253Z | 134.199° SE | 2026-04-02 03:58:33.253Z | 104.691° ESE | 13.982° | 2026-04-02 04:00:33.253Z | 74.144° E |
| 6 mins | 2026-04-02 05:33:33.253Z | 231.282° WSW | 2026-04-02 05:36:33.253Z | 304.962° NW | 35.015° | 2026-04-02 05:39:33.253Z | 7.426° NNE |
| 5 mins | 2026-04-02 13:57:33.253Z | 11.567° NNE | 2026-04-02 13:59:33.253Z | 56.173° ENE | 26.994° | 2026-04-02 14:02:33.253Z | 115.624° SE |
| 5 mins | 2026-04-02 15:35:33.253Z | 291.832° WNW | 2026-04-02 15:37:33.253Z | 255.144° W | 19.954° | 2026-04-02 15:40:33.253Z | 206.773° SW |
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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