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: 4 hours ago
TLE from 4 hours ago
0 STARLINK-1635
1 46172U 20057BH 26040.27709093 .00064189 00000-0 93888-3 0 9990
2 46172 53.0482 35.4418 0003626 321.0623 39.0125 15.55024417303722Epoch: 2026-02-09T06:39Z
TLE epoch observation values (Epoch: 2026-02-09T06:39:00.656Z)
Latitude
-0.00006°
Longitude
156.3148°
Altitude
401.069 km
Speed
7.672 km/s
True Right ascension
02h 21m 46s
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
13:13:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
404.818 km
Perigee altitude
399.9 km
Semi-major axis
6,780.496 km
Eccentricity
0.00036
Inclination
53.0482°
RAAN
35.4418°
Arg. of periapsis
321.0623°
True anomaly
39.03867°
Mean anomaly
39.0125°
Eccentric anomaly
39.02558°
Mean motion
3.88733 °/min
Orbital period
92.61 mins
BSTAR
0.00093888
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-02-10 02:55:31.527Z | 268.137° W | 2026-02-10 02:57:31.527Z | 340.753° N | 31.358° | 2026-02-10 02:59:31.527Z | 31.05° NE |
| 5 mins | 2026-02-10 09:23:31.527Z | 294.382° NW | 2026-02-10 09:25:31.527Z | 232.502° WSW | 37.412° | 2026-02-10 09:28:31.527Z | 148.629° SSE |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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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 descending order |
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