STARLINK-5859, 55915
Orbit data source: Space-Track
STARLINK-5859, 55915 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Mar 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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55915 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
11.087 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-5859
1 55915U 23037B 26171.35127256 .00000344 00000-0 36624-4 0 9994
2 55915 70.0001 45.6618 0002967 270.2048 89.8771 14.98331764179544Epoch: 2026-06-20T08:25Z
TLE epoch observation values (Epoch: 2026-06-20T08:25:49.949Z)
Latitude
-0.00001°
Longitude
10.63653°
Altitude
574.47 km
Speed
7.574 km/s
True Right ascension
03h 02m 38s
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
21:43:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.06 km
Perigee altitude
567.937 km
Semi-major axis
6,948.136 km
Eccentricity
0.0003
Inclination
70.0001°
RAAN
45.6618°
Arg. of periapsis
270.2048°
True anomaly
89.9111°
Mean anomaly
89.8771°
Eccentric anomaly
89.8941°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.000036624
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Other satellites on launch #37 in the year 2023 (2023-03-17 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-5859 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 16:38:11.572Z | 198.993° SSW | 2026-06-22 16:42:11.572Z | 60.697° ENE | 43.861° | 2026-06-22 16:45:11.572Z | 27.413° NE |
| 4 mins | 2026-06-23 01:04:11.572Z | 26.525° NE | 2026-06-23 01:06:11.572Z | 59.769° ENE | 15.495° | 2026-06-23 01:08:11.572Z | 89.641° E |
| 6 mins | 2026-06-23 02:42:11.572Z | 311.387° NW | 2026-06-23 02:44:11.572Z | 258.406° W | 35.716° | 2026-06-23 02:48:11.572Z | 177.707° S |
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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