SDA_1680, 65990
Orbit data source: Space-Track
SDA_1680, 65990 is a payload satellite owned by SDA (US) in LEO that was launched on Wed, 15 Oct 2025 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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65990 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
LMSSD/TERRAN
Mission
Operational Defense Communications
Bus & Motor
LM-T1TL, Unknown motor
Mass
~400 kg wet, ~400 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 1.6 m
Radar Cross Section
0.674 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 SDA_1680
1 65990U 25230S 26171.39590596 .00000124 00000-0 98894-4 0 9993
2 65990 81.2995 208.6044 0004121 171.6116 188.5111 13.85231515 34264Epoch: 2026-06-20T09:30Z
TLE epoch observation values (Epoch: 2026-06-20T09:30:06.274Z)
Latitude
-0.00003°
Longitude
157.46712°
Altitude
951.242 km
Speed
7.375 km/s
True Right ascension
13h 54m 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
07:16:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
945.611 km
Perigee altitude
939.578 km
Semi-major axis
7,320.731 km
Eccentricity
0.00041
Inclination
81.2995°
RAAN
208.6044°
Arg. of periapsis
171.6116°
True anomaly
188.50411°
Mean anomaly
188.5111°
Eccentric anomaly
188.50761°
Mean motion
3.46507 °/min
Orbital period
103.89 mins
BSTAR
0.000098894
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Other satellites on launch #230 in the year 2025 (2025-10-15 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_1680 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-06-21 02:55:54.548Z | 172.303° S | 2026-06-21 03:01:54.548Z | 86.807° E | 40.718° | 2026-06-21 03:06:54.548Z | 18.553° NNE |
| 7 mins | 2026-06-21 04:43:54.548Z | 255.629° W | 2026-06-21 04:46:54.548Z | 289.623° WNW | 18.718° | 2026-06-21 04:50:54.548Z | 334.071° NNW |
| 10 mins | 2026-06-21 13:49:54.548Z | 5.195° NNE | 2026-06-21 13:53:54.548Z | 63.657° ENE | 38.721° | 2026-06-21 13:59:54.548Z | 153.578° SSE |
| 7 mins | 2026-06-21 15:35:54.548Z | 307.731° NW | 2026-06-21 15:38:54.548Z | 271.572° WNW | 19.399° | 2026-06-21 15:42:54.548Z | 229.241° WSW |
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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