STARLINK-37947, 100261
Orbit data source: Space-Track
STARLINK-37947, 100261 is a payload satellite owned by SpaceX/Seattle (US) in SSO that was launched on Sat, 08 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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100261 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, 17.7 m
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 STARLINK-37947
1 A0261U 26181R 26227.16852858 .00330323 43559-4 96957-3 0 9992
2 A0261 97.2825 268.8568 0004978 158.9989 201.1491 15.92689744 2188Epoch: 2026-08-15T04:02Z
TLE epoch observation values (Epoch: 2026-08-15T04:02:40.869Z)
Latitude
-0.00001°
Longitude
-115.39676°
Altitude
301.05 km
Speed
7.725 km/s
True Right ascension
17h 55m 25s
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
22:49:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
294.944 km
Perigee altitude
288.303 km
Semi-major axis
6,669.761 km
Eccentricity
0.0005
Inclination
97.2825°
RAAN
268.8568°
Arg. of periapsis
158.9989°
True anomaly
201.12853°
Mean anomaly
201.1491°
Eccentric anomaly
201.13881°
Mean motion
3.98454 °/min
Orbital period
90.35 mins
BSTAR
0.00096957
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Other satellites on launch #181 in the year 2026 (2026-08-08 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-37947 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-37947 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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