STARLINK-1635, 46172
Orbit data source: Space-Track
STARLINK-1635, 46172 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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46172 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially 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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-1635
1 46172U 20057BH 25315.00003472 .00108815 00000-0 31844-2 0 9991
2 46172 53.0537 104.7083 0002615 264.5216 223.4447 15.34405579 5529Epoch: 2025-11-11T00:00Z
TLE epoch observation values (Epoch: 2025-11-11T00:00:02.999Z)
Latitude
39.1954°
Longitude
-163.27864°
Altitude
467.393 km
Speed
7.637 km/s
True Right ascension
16h 28m 30s
True Declination
39° 01' 12"
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
04:59:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
464.75 km
Perigee altitude
461.172 km
Semi-major axis
6,841.098 km
Eccentricity
0.00026
Inclination
53.0537°
RAAN
104.7083°
Arg. of periapsis
264.5216°
True anomaly
223.4241°
Mean anomaly
223.4447°
Eccentric anomaly
223.4344°
Mean motion
3.83579 °/min
Orbital period
93.85 mins
BSTAR
0.0031844
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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-1635 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-11-11 12:06:13.262Z | 188.221° SSW | 2025-11-11 12:09:13.262Z | 126.175° SE | 24.3° | 2025-11-11 12:11:13.262Z | 81.803° E |
| 4 mins | 2025-11-11 13:45:13.262Z | 282.572° WNW | 2025-11-11 13:46:13.262Z | 312.705° NW | 29.76° | 2025-11-11 13:49:13.262Z | 30.88° NE |
| 4 mins | 2025-11-11 18:41:13.262Z | 350.397° N | 2025-11-11 18:42:13.262Z | 16.057° NNE | 24.855° | 2025-11-11 18:45:13.262Z | 85.641° E |
| 5 mins | 2025-11-11 20:18:13.262Z | 284.848° WNW | 2025-11-11 20:20:13.262Z | 230.819° WSW | 31.486° | 2025-11-11 20:23:13.262Z | 160.293° 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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