STARLINK-3629, 51774
Orbit data source: Space-Track
STARLINK-3629, 51774 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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51774 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-3629
1 51774U 22017G 26171.46591176 .00000192 00000-0 30156-4 0 9993
2 51774 53.1591 237.6232 0001112 83.8804 276.2314 15.08836585238086Epoch: 2026-06-20T11:10Z
TLE epoch observation values (Epoch: 2026-06-20T11:10:54.776Z)
Latitude
-0.00001°
Longitude
161.21482°
Altitude
540.562 km
Speed
7.593 km/s
True Right ascension
15h 50m 29s
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
21:31:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.777 km
Perigee altitude
539.239 km
Semi-major axis
6,918.145 km
Eccentricity
0.00011
Inclination
53.1591°
RAAN
237.6232°
Arg. of periapsis
83.8804°
True anomaly
276.21873°
Mean anomaly
276.2314°
Eccentric anomaly
276.22507°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000030156
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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-3629 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 11:17:31.952Z | 338.804° N | 2026-06-22 11:19:31.952Z | 9.481° NNE | 14.985° | 2026-06-22 11:21:31.952Z | 42.759° NE |
| 6 mins | 2026-06-22 12:57:31.952Z | 328.348° NNW | 2026-06-22 12:59:31.952Z | 13.185° NNE | 35.233° | 2026-06-22 13:03:31.952Z | 107.921° ESE |
| 4 mins | 2026-06-22 14:37:31.952Z | 264.281° W | 2026-06-22 14:39:31.952Z | 220.081° SW | 21.863° | 2026-06-22 14:41:31.952Z | 184.544° SSW |
| 6 mins | 2026-06-23 06:07:31.952Z | 213.174° SW | 2026-06-23 06:10:31.952Z | 128.53° SE | 41.225° | 2026-06-23 06:13:31.952Z | 58.707° ENE |
| 4 mins | 2026-06-23 07:48:31.952Z | 300.288° NW | 2026-06-23 07:50:31.952Z | 346.413° N | 22.625° | 2026-06-23 07:52:31.952Z | 22.438° NNE |
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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