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
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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-1635
1 46172U 20057BH 25260.55517781 -.00001737 00000-0 -97792-4 0 9996
2 46172 53.0536 353.8476 0001210 126.7172 233.3929 15.06389595281508Epoch: 2025-09-17T13:19Z
TLE epoch observation values (Epoch: 2025-09-17T13:19:27.362Z)
Latitude
0.00002°
Longitude
157.25416°
Altitude
548.622 km
Speed
7.589 km/s
True Right ascension
23h 35m 23s
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
00:45:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.352 km
Perigee altitude
546.676 km
Semi-major axis
6,925.651 km
Eccentricity
0.00012
Inclination
53.0536°
RAAN
353.8476°
Arg. of periapsis
126.7172°
True anomaly
233.38177°
Mean anomaly
233.3929°
Eccentric anomaly
233.38734°
Mean motion
3.76576 °/min
Orbital period
95.6 mins
BSTAR
-0.000097792
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-18 08:35:43.202Z | 208.707° SW | 2025-09-18 08:38:43.202Z | 152.775° SSE | 37.604° | 2025-09-18 08:42:43.202Z | 59.991° ENE |
| 5 mins | 2025-09-18 10:16:43.202Z | 288.445° WNW | 2025-09-18 10:18:43.202Z | 332.805° NNW | 25.342° | 2025-09-18 10:21:43.202Z | 28.893° NE |
| 4 mins | 2025-09-18 13:38:43.202Z | 349.53° N | 2025-09-18 13:40:43.202Z | 24.378° NE | 15.815° | 2025-09-18 13:42:43.202Z | 54.559° ENE |
| 6 mins | 2025-09-18 15:17:43.202Z | 322.828° NNW | 2025-09-18 15:20:43.202Z | 48.552° ENE | 38.441° | 2025-09-18 15:23:43.202Z | 110.257° ESE |
| 5 mins | 2025-09-18 16:57:43.202Z | 269.306° W | 2025-09-18 16:59:43.202Z | 232.1° WSW | 20.085° | 2025-09-18 17:02:43.202Z | 182.744° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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