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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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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-1635
1 46172U 20057BH 26090.44387664 .00096652 00000-0 92569-3 0 9995
2 46172 53.0419 151.0939 0007854 42.7959 317.3665 15.65882719311550Epoch: 2026-03-31T10:39Z
TLE epoch observation values (Epoch: 2026-03-31T10:39:10.941Z)
Latitude
-0.0001°
Longitude
162.47725°
Altitude
367.704 km
Speed
7.692 km/s
True Right ascension
10h 04m 22s
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
12:32:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
376.282 km
Perigee altitude
365.68 km
Semi-major axis
6,749.118 km
Eccentricity
0.00079
Inclination
53.0419°
RAAN
151.0939°
Arg. of periapsis
42.7959°
True anomaly
317.3055°
Mean anomaly
317.3665°
Eccentric anomaly
317.336°
Mean motion
3.91447 °/min
Orbital period
91.97 mins
BSTAR
0.00092569
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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 | 2026-04-01 13:11:20.813Z | 321.048° NNW | 2026-04-01 13:13:20.813Z | 54.796° ENE | 40.945° | 2026-04-01 13:15:20.813Z | 116.316° SE |
| 4 mins | 2026-04-02 05:42:20.813Z | 192.914° SSW | 2026-04-02 05:44:20.813Z | 141.151° SSE | 26.897° | 2026-04-02 05:46:20.813Z | 78.721° E |
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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