STARLINK-38251, 100229
Orbit data source: Space-Track
STARLINK-38251, 100229 is a payload satellite owned by SpaceX/Seattle (US) in SSO that was launched on Tue, 04 Aug 2026 UTC launched from the Air Force Western Test Range (AFWTR). 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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100229 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
BOX + PAN, 14.5 m
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 STARLINK-38251
1 A0229U 26177S 26221.31001319 .01199873 72625-3 26642-2 0 9992
2 A0229 97.2848 270.4041 0006333 314.1712 45.9044 15.98052356 1815Epoch: 2026-08-09T07:26Z
TLE epoch observation values (Epoch: 2026-08-09T07:26:25.139Z)
Latitude
-0.00006°
Longitude
-159.00948°
Altitude
280.088 km
Speed
7.741 km/s
True Right ascension
18h 01m 36s
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
21:23:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
280.895 km
Perigee altitude
272.466 km
Semi-major axis
6,654.817 km
Eccentricity
0.00063
Inclination
97.2848°
RAAN
270.4041°
Arg. of periapsis
314.1712°
True anomaly
45.95655°
Mean anomaly
45.9044°
Eccentric anomaly
45.93047°
Mean motion
3.99796 °/min
Orbital period
90.05 mins
BSTAR
0.0026642
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Other satellites on launch #177 in the year 2026 (2026-08-04 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-38251 Visibility
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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. |
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| STARLINK-38251 is likely not visible in the next few days. |
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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