STARLINK-5315, 55309
Orbit data source: Space-Track
STARLINK-5315, 55309 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 19 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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55309 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-5315
1 55309U 23010AS 26171.21843578 .00000356 00000-0 37643-4 0 9994
2 55309 69.9996 105.8035 0003031 268.3045 91.7767 14.98330274189139Epoch: 2026-06-20T05:14Z
TLE epoch observation values (Epoch: 2026-06-20T05:14:32.851Z)
Latitude
-0.00001°
Longitude
118.7304°
Altitude
574.545 km
Speed
7.574 km/s
True Right ascension
07h 03m 12s
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
21:30:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.109 km
Perigee altitude
567.897 km
Semi-major axis
6,948.14 km
Eccentricity
0.0003
Inclination
69.9996°
RAAN
105.8035°
Arg. of periapsis
268.3045°
True anomaly
91.81142°
Mean anomaly
91.7767°
Eccentric anomaly
91.79406°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.000037643
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Other satellites on launch #10 in the year 2023 (2023-01-19 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-5315 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 19:51:08.591Z | 159.603° S | 2026-06-22 19:54:08.591Z | 111.798° ESE | 22.655° | 2026-06-22 19:57:08.591Z | 56.861° ENE |
| 6 mins | 2026-06-22 21:30:08.591Z | 254.128° W | 2026-06-22 21:32:08.591Z | 291.046° WNW | 24.013° | 2026-06-22 21:36:08.591Z | 1.153° NNE |
| 6 mins | 2026-06-23 05:54:08.591Z | 352.218° N | 2026-06-23 05:57:08.591Z | 88.328° E | 37.801° | 2026-06-23 06:00:08.591Z | 138.591° SSE |
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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