STARLINK-3547, 51889
Orbit data source: Space-Track
STARLINK-3547, 51889 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 03 Mar 2022 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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51889 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
297 kg wet, ~275 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-3547
1 51889U 22022AP 26171.41668980 .00008413 00000-0 44219-3 0 9997
2 51889 53.1599 257.5802 0001086 20.9330 97.4976 15.16484753 5670Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
44.86542°
Longitude
-28.9256°
Altitude
521.23 km
Speed
7.608 km/s
True Right ascension
01h 58m 51s
True Declination
44° 41' 15"
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
21:31:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
517.478 km
Perigee altitude
515.981 km
Semi-major axis
6,894.867 km
Eccentricity
0.00011
Inclination
53.1599°
RAAN
257.5802°
Arg. of periapsis
20.933°
True anomaly
97.50994°
Mean anomaly
97.4976°
Eccentric anomaly
97.50377°
Mean motion
3.79101 °/min
Orbital period
94.96 mins
BSTAR
0.00044219
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Other satellites on launch #22 in the year 2022 (2022-03-03 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-3547 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 14:09:54.130Z | 329.685° NNW | 2026-06-22 14:11:54.130Z | 13.059° NNE | 32.851° | 2026-06-22 14:15:54.130Z | 104.931° ESE |
| 5 mins | 2026-06-22 15:48:54.130Z | 274.852° WNW | 2026-06-22 15:50:54.130Z | 233.233° WSW | 23.52° | 2026-06-22 15:53:54.130Z | 176.309° S |
| 6 mins | 2026-06-23 07:14:54.130Z | 202.626° SW | 2026-06-23 07:17:54.130Z | 110.968° ESE | 35.445° | 2026-06-23 07:20:54.130Z | 61.45° ENE |
| 4 mins | 2026-06-23 08:54:54.130Z | 294.811° NW | 2026-06-23 08:56:54.130Z | 345.68° N | 24.238° | 2026-06-23 08:58:54.130Z | 23.714° NE |
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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