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 via an FALCON 9 launch vehicle 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 Commercial Communications
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 17.7 m
Radar Cross Section
41.120 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 STARLINK-37947
1 A0261U 26181R 26296.65018596 .00017325 00000-0 53782-3 0 9998
2 A0261 97.2831 340.2662 0001741 73.4529 286.6905 15.33440144 13028Epoch: 2026-10-23T15:36Z
TLE epoch observation values (Epoch: 2026-10-23T15:36:16.066Z)
Latitude
-0.00004°
Longitude
74.13158°
Altitude
468.328 km
Speed
7.632 km/s
True Right ascension
22h 41m 03s
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
19:42:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.691 km
Perigee altitude
461.309 km
Semi-major axis
6,840.637 km
Eccentricity
0.00017
Inclination
97.2831°
RAAN
340.2662°
Arg. of periapsis
73.4529°
True anomaly
286.67139°
Mean anomaly
286.6905°
Eccentric anomaly
286.68094°
Mean motion
3.83617 °/min
Orbital period
93.84 mins
BSTAR
0.00053782
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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 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 | 2026-10-25 03:46:26.032Z | 231.603° WSW | 2026-10-25 03:47:26.032Z | 257.922° W | 24.918° | 2026-10-25 03:50:26.032Z | 320.193° NNW |
| 4 mins | 2026-10-25 15:10:26.032Z | 59.741° ENE | 2026-10-25 15:12:26.032Z | 105.599° ESE | 20.195° | 2026-10-25 15:14:26.032Z | 142.641° SSE |
| 4 mins | 2026-10-25 16:43:26.032Z | 324.099° NNW | 2026-10-25 16:45:26.032Z | 278.588° WNW | 19.801° | 2026-10-25 16:47:26.032Z | 242.715° WSW |
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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