STARLINK-5933, 55961
Orbit data source: Space-Track
STARLINK-5933, 55961 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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55961 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-5933
1 55961U 23037AZ 26171.28821758 -.00000023 00000-0 58721-5 0 9993
2 55961 69.9999 5.6817 0002754 265.2404 94.8440 14.98332443179846Epoch: 2026-06-20T06:55Z
TLE epoch observation values (Epoch: 2026-06-20T06:55:01.998Z)
Latitude
-0.00011°
Longitude
-6.58166°
Altitude
574.634 km
Speed
7.574 km/s
True Right ascension
00h 22m 43s
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
22:00:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.91 km
Perigee altitude
568.083 km
Semi-major axis
6,948.134 km
Eccentricity
0.00028
Inclination
69.9999°
RAAN
5.6817°
Arg. of periapsis
265.2404°
True anomaly
94.87544°
Mean anomaly
94.844°
Eccentric anomaly
94.85972°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.0000058721
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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-5933 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 13:31:22.421Z | 170.785° S | 2026-06-22 13:34:22.421Z | 111.033° ESE | 31.013° | 2026-06-22 13:37:22.421Z | 47.23° ENE |
| 4 mins | 2026-06-22 15:11:22.421Z | 277.859° WNW | 2026-06-22 15:12:22.421Z | 295.523° NW | 17.997° | 2026-06-22 15:15:22.421Z | 346.389° N |
| 6 mins | 2026-06-22 23:34:22.421Z | 339.19° N | 2026-06-22 23:37:22.421Z | 136.184° SSE | 42.769° | 2026-06-22 23:40:22.421Z | 153.32° SSE |
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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