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, 10.1 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 25299.03455243 .00002082 00000-0 15863-3 0 9997
2 46129 53.0542 161.1104 0001207 104.5606 255.5517 15.06398025286330Epoch: 2025-10-26T00:49Z
TLE epoch observation values (Epoch: 2025-10-26T00:49:45.329Z)
Latitude
-0.00004°
Longitude
114.01496°
Altitude
548.305 km
Speed
7.589 km/s
True Right ascension
10h 44m 26s
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
12:08:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.324 km
Perigee altitude
546.652 km
Semi-major axis
6,925.625 km
Eccentricity
0.00012
Inclination
53.0542°
RAAN
161.1104°
Arg. of periapsis
104.5606°
True anomaly
255.53831°
Mean anomaly
255.5517°
Eccentric anomaly
255.545°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.00015863
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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 | 2025-10-26 16:53:53.639Z | 195.485° SSW | 2025-10-26 16:57:53.639Z | 118.348° SE | 28.052° | 2025-10-26 17:00:53.639Z | 69.111° E |
| 5 mins | 2025-10-26 18:34:53.639Z | 275.006° WNW | 2025-10-26 18:36:53.639Z | 326.95° NNW | 31.352° | 2025-10-26 18:39:53.639Z | 32.006° NE |
| 5 mins | 2025-10-26 23:36:53.639Z | 340.081° N | 2025-10-26 23:38:53.639Z | 35.962° NE | 31.356° | 2025-10-26 23:41:53.639Z | 96.137° ESE |
| 6 mins | 2025-10-27 01:15:53.639Z | 281.127° WNW | 2025-10-27 01:17:53.639Z | 239.192° WSW | 28.147° | 2025-10-27 01:21:53.639Z | 164.138° 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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