STARLINK-5621, 55434
Orbit data source: Space-Track
STARLINK-5621, 55434 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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55434 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-5621
1 55434U 23014AV 26171.40320220 .00000409 00000-0 42083-4 0 9995
2 55434 69.9992 205.4962 0003642 269.1084 90.9657 14.98331772186455Epoch: 2026-06-20T09:40Z
TLE epoch observation values (Epoch: 2026-06-20T09:40:36.670Z)
Latitude
-0.00007°
Longitude
151.72505°
Altitude
574.518 km
Speed
7.574 km/s
True Right ascension
13h 41m 59s
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
21:23:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.529 km
Perigee altitude
567.468 km
Semi-major axis
6,948.136 km
Eccentricity
0.00036
Inclination
69.9992°
RAAN
205.4962°
Arg. of periapsis
269.1084°
True anomaly
91.00743°
Mean anomaly
90.9657°
Eccentric anomaly
90.98656°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.000042083
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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-5621 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 | 2026-06-22 11:52:48.285Z | 13.194° NNE | 2026-06-22 11:55:48.285Z | 59.824° ENE | 16.132° | 2026-06-22 11:57:48.285Z | 90.407° ESE |
| 6 mins | 2026-06-22 13:31:48.285Z | 309.73° NW | 2026-06-22 13:33:48.285Z | 258.039° W | 34.569° | 2026-06-22 13:37:48.285Z | 179.339° S |
| 7 mins | 2026-06-23 03:30:48.285Z | 217.078° SW | 2026-06-23 03:33:48.285Z | 289.592° WNW | 41.825° | 2026-06-23 03:37:48.285Z | 17.719° NNE |
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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