STARLINK-3544, 51803
Orbit data source: Space-Track
STARLINK-3544, 51803 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 25 Feb 2022 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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51803 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-3544
1 51803U 22017AM 26171.41668980 .00004712 00000-0 25395-3 0 9999
2 51803 53.1590 247.6472 0002340 61.5613 58.5141 15.16593643 5782Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
43.95832°
Longitude
-36.92186°
Altitude
519.757 km
Speed
7.609 km/s
True Right ascension
01h 26m 52s
True Declination
43° 46' 50"
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
21:33:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
518.013 km
Perigee altitude
514.786 km
Semi-major axis
6,894.537 km
Eccentricity
0.00023
Inclination
53.159°
RAAN
247.6472°
Arg. of periapsis
61.5613°
True anomaly
58.53697°
Mean anomaly
58.5141°
Eccentric anomaly
58.52553°
Mean motion
3.79128 °/min
Orbital period
94.95 mins
BSTAR
0.00025395
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Other satellites on launch #17 in the year 2022 (2022-02-25 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-3544 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 12:32:53.085Z | 357.082° N | 2026-06-22 12:33:53.085Z | 17.238° NNE | 18.661° | 2026-06-22 12:36:53.085Z | 69.111° E |
| 6 mins | 2026-06-22 14:10:53.085Z | 310.224° NW | 2026-06-22 14:12:53.085Z | 311.097° NW | 42.73° | 2026-06-22 14:16:53.085Z | 130.975° SE |
| 6 mins | 2026-06-23 07:15:53.085Z | 239.185° WSW | 2026-06-23 07:17:53.085Z | 273.203° WNW | 42.355° | 2026-06-23 07:21:53.085Z | 46.469° ENE |
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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