STARLINK-37991, 100124
Orbit data source: Space-Track
STARLINK-37991, 100124 is a payload satellite owned by SpaceX/Seattle (US) in SSO that was launched on Tue, 21 Jul 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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100124 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: 2 days ago
TLE from 2 days ago
0 STARLINK-37991
1 A0124U 26210.04360278 .00468897 00000-0 17886-2 0 9992
2 A0124 97.2842 225.6826 0008539 202.7755 157.3139 15.86340526 1184Epoch: 2026-07-29T01:02Z
TLE epoch observation values (Epoch: 2026-07-29T01:02:47.280Z)
Latitude
0.00003°
Longitude
-96.71854°
Altitude
321.009 km
Speed
7.713 km/s
True Right ascension
15h 02m 43s
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
10:38:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
315.136 km
Perigee altitude
303.715 km
Semi-major axis
6,687.562 km
Eccentricity
0.00085
Inclination
97.2842°
RAAN
225.6826°
Arg. of periapsis
202.7755°
True anomaly
157.3516°
Mean anomaly
157.3139°
Eccentric anomaly
157.33275°
Mean motion
3.96864 °/min
Orbital period
90.71 mins
BSTAR
0.0017886
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Other satellites on launch #166 in the year 2026 (2026-07-21 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-37991 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 | 2026-07-31 01:35:58.436Z | 204.883° SW | 2026-07-31 01:37:58.436Z | 270.529° WNW | 24.489° | 2026-07-31 01:39:58.436Z | 323.462° NNW |
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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