STARLINK-5902, 55998
Orbit data source: Space-Track
STARLINK-5902, 55998 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 24 Mar 2023 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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55998 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-5902
1 55998U 23042N 26171.35878419 .00000353 00000-0 22348-4 0 9993
2 55998 43.0021 199.5865 0001684 263.9829 96.0831 15.27576397178576Epoch: 2026-06-20T08:36Z
TLE epoch observation values (Epoch: 2026-06-20T08:36:38.954Z)
Latitude
0.00002°
Longitude
161.84966°
Altitude
482.958 km
Speed
7.626 km/s
True Right ascension
13h 18m 20s
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
21:33:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.16 km
Perigee altitude
483.849 km
Semi-major axis
6,863.142 km
Eccentricity
0.00017
Inclination
43.0021°
RAAN
199.5865°
Arg. of periapsis
263.9829°
True anomaly
96.10229°
Mean anomaly
96.0831°
Eccentric anomaly
96.09269°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000022348
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Other satellites on launch #42 in the year 2023 (2023-03-24 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-5902 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 | 2026-06-23 04:19:02.450Z | 204.922° SW | 2026-06-23 04:21:02.450Z | 139.352° SSE | 32.192° | 2026-06-23 04:24:02.450Z | 82.644° E |
| 6 mins | 2026-06-23 05:57:02.450Z | 268.311° W | 2026-06-23 06:00:02.450Z | 26.324° NE | 40.761° | 2026-06-23 06:03:02.450Z | 70.128° E |
| 5 mins | 2026-06-23 07:37:02.450Z | 298.841° NW | 2026-06-23 07:39:02.450Z | 19.305° NNE | 38.81° | 2026-06-23 07:42:02.450Z | 82.831° E |
| 5 mins | 2026-06-23 09:16:02.450Z | 277.968° WNW | 2026-06-23 09:18:02.450Z | 186.67° SSW | 42.11° | 2026-06-23 09:21:02.450Z | 122.577° SE |
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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