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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
46129 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
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: 15 hours ago
TLE from 15 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
13:00:26
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
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #57 in the year 2020 (2020-08-18 UTC)
Did you know?
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
Loading observer location...
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 06:49:56.249Z | 207.542° SW | 2025-09-19 06:53:56.249Z | 125.447° SE | 35.851° | 2025-09-19 06:56:56.249Z | 64.262° ENE |
| 6 mins | 2025-09-19 08:30:56.249Z | 279.732° WNW | 2025-09-19 08:32:56.249Z | 318.484° NNW | 26° | 2025-09-19 08:36:56.249Z | 33.838° NE |
| 6 mins | 2025-09-19 13:32:56.249Z | 328.97° NNW | 2025-09-19 13:34:56.249Z | 20.258° NNE | 36.621° | 2025-09-19 13:38:56.249Z | 109.536° ESE |
| 4 mins | 2025-09-19 15:12:56.249Z | 263.559° W | 2025-09-19 15:14:56.249Z | 220.433° SW | 21.491° | 2025-09-19 15:16:56.249Z | 185.471° SSW |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
|---|