STARLINK-3396, 51129
Orbit data source: Space-Track
STARLINK-3396, 51129 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 19 Jan 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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51129 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-3396
1 51129U 22005AB 26094.26407963 -.00003396 00000-0 -19549-3 0 9999
2 51129 53.2164 184.3146 0001350 98.9280 261.1866 15.08824447232597Epoch: 2026-04-04T06:20Z
TLE epoch observation values (Epoch: 2026-04-04T06:20:16.480Z)
Latitude
0.00008°
Longitude
-103.34036°
Altitude
540.831 km
Speed
7.593 km/s
True Right ascension
12h 17m 15s
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
22:49:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.97 km
Perigee altitude
539.102 km
Semi-major axis
6,918.173 km
Eccentricity
0.00014
Inclination
53.2164°
RAAN
184.3146°
Arg. of periapsis
98.928°
True anomaly
261.17131°
Mean anomaly
261.1866°
Eccentric anomaly
261.17896°
Mean motion
3.77186 °/min
Orbital period
95.44 mins
BSTAR
-0.00019549
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Other satellites on launch #5 in the year 2022 (2022-01-19 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-3396 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-04-05 07:55:26.078Z | 202.153° SSW | 2026-04-05 07:59:26.078Z | 118.849° SE | 32.288° | 2026-04-05 08:02:26.078Z | 65.654° ENE |
| 5 mins | 2026-04-05 09:36:26.078Z | 281.27° WNW | 2026-04-05 09:38:26.078Z | 328.989° NNW | 27.983° | 2026-04-05 09:41:26.078Z | 29.699° NE |
| 6 mins | 2026-04-05 14:37:26.078Z | 331.81° NNW | 2026-04-05 14:39:26.078Z | 17.547° NNE | 32.921° | 2026-04-05 14:43:26.078Z | 103.858° ESE |
| 5 mins | 2026-04-05 16:17:26.078Z | 267.068° W | 2026-04-05 16:19:26.078Z | 217.936° SW | 24.701° | 2026-04-05 16:22:26.078Z | 170.566° S |
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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