STARLINK-1623, 46129
Orbit data source: Space-Track
STARLINK-1623, 46129 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 18 Aug 2020 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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46129 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 STARLINK-1623
1 46129U 20057N 25261.21681581 .00002825 00000-0 20853-3 0 9992
2 46129 53.0561 330.8805 0001151 94.6085 265.5036 15.06389995280632Epoch: 2025-09-18T05:12Z
TLE epoch observation values (Epoch: 2025-09-18T05:12:12.886Z)
Latitude
0.00004°
Longitude
-104.55475°
Altitude
548.184 km
Speed
7.589 km/s
True Right ascension
22h 03m 31s
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
13:45:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.31 km
Perigee altitude
546.716 km
Semi-major axis
6,925.65 km
Eccentricity
0.00012
Inclination
53.0561°
RAAN
330.8805°
Arg. of periapsis
94.6085°
True anomaly
265.49045°
Mean anomaly
265.5036°
Eccentric anomaly
265.49703°
Mean motion
3.76576 °/min
Orbital period
95.6 mins
BSTAR
0.00020853
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Other satellites on launch #57 in the year 2020 (2020-08-18 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-1623 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 | 2025-09-19 06:50:29.269Z | 204.968° SW | 2025-09-19 06:53:29.269Z | 147.741° SSE | 35.632° | 2025-09-19 06:57:29.269Z | 61.582° ENE |
| 5 mins | 2025-09-19 08:31:29.269Z | 287.109° WNW | 2025-09-19 08:33:29.269Z | 334.392° NNW | 26.538° | 2025-09-19 08:36:29.269Z | 30.253° NE |
| 6 mins | 2025-09-19 13:32:29.269Z | 325.104° NNW | 2025-09-19 13:35:29.269Z | 49.472° ENE | 36.575° | 2025-09-19 13:38:29.269Z | 107.386° ESE |
| 5 mins | 2025-09-19 15:12:29.269Z | 270.477° WNW | 2025-09-19 15:14:29.269Z | 230.961° WSW | 21.857° | 2025-09-19 15:17:29.269Z | 179.661° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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