SDA-NG-T1TL-308, 100990
Orbit data source: Space-Track
SDA-NG-T1TL-308, 100990 is an American payload satellite in LEO that was launched on Sat, 10 Oct 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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100990 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
None
Manufacturer
Unknown
Mission
Operational spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 SDA-NG-T1TL-308
1 A0990U 26231H 26288.63424553 .00000229 00000-0 18999-3 0 9992
2 A0990 81.5040 195.8104 0008995 305.9420 54.0902 13.85582153 742Epoch: 2026-10-15T15:13Z
TLE epoch observation values (Epoch: 2026-10-15T15:13:18.813Z)
Latitude
-0.00013°
Longitude
-56.6848°
Altitude
943.168 km
Speed
7.382 km/s
True Right ascension
13h 03m 14s
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
17:48:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
947.933 km
Perigee altitude
934.765 km
Semi-major axis
7,319.486 km
Eccentricity
0.0009
Inclination
81.504°
RAAN
195.8104°
Arg. of periapsis
305.942°
True anomaly
54.17374°
Mean anomaly
54.0902°
Eccentric anomaly
54.13196°
Mean motion
3.46595 °/min
Orbital period
103.87 mins
BSTAR
0.00018999
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Other satellites on launch #231 in the year 2026 (2026-10-10 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.SDA-NG-T1TL-308 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-10-16 05:41:16.222Z | 356.19° N | 2026-10-16 05:45:16.222Z | 59.496° ENE | 77.104° | 2026-10-16 05:51:16.222Z | 167.148° S |
| 4 mins | 2026-10-16 07:28:16.222Z | 290.944° WNW | 2026-10-16 07:29:16.222Z | 280.327° WNW | 14.068° | 2026-10-16 07:32:16.222Z | 249.982° W |
| 6 mins | 2026-10-16 17:22:16.222Z | 111.771° ESE | 2026-10-16 17:24:16.222Z | 88.74° E | 18.519° | 2026-10-16 17:28:16.222Z | 45.555° ENE |
| 10 mins | 2026-10-16 19:04:16.222Z | 205.144° SW | 2026-10-16 19:09:16.222Z | 298.894° NW | 59.227° | 2026-10-16 19:14:16.222Z | 0.238° NNE |
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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