SDA_1684, 65994
Orbit data source: Space-Track
SDA_1684, 65994 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
65994 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
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: 12 hours ago
TLE from 12 hours ago
0 SDA_1684
1 65994U 25230W 26171.34255434 .00000098 00000-0 83485-4 0 9991
2 65994 81.2998 209.4747 0001497 115.1547 244.9762 13.79433494 34200Epoch: 2026-06-20T08:13Z
TLE epoch observation values (Epoch: 2026-06-20T08:13:16.694Z)
Latitude
-0.00009°
Longitude
177.59658°
Altitude
969.221 km
Speed
7.367 km/s
True Right ascension
13h 57m 53s
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
07:14:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
964.208 km
Perigee altitude
962.01 km
Semi-major axis
7,341.246 km
Eccentricity
0.00015
Inclination
81.2998°
RAAN
209.4747°
Arg. of periapsis
115.1547°
True anomaly
244.96066°
Mean anomaly
244.9762°
Eccentric anomaly
244.96843°
Mean motion
3.45055 °/min
Orbital period
104.33 mins
BSTAR
0.000083485
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #230 in the year 2025 (2025-10-15 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SDA_1684 Visibility forecast
Loading observer location...
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 | 2026-06-21 01:47:27.979Z | 102.351° ESE | 2026-06-21 01:49:27.979Z | 81.98° E | 13.245° | 2026-06-21 01:51:27.979Z | 61.682° ENE |
| 10 mins | 2026-06-21 03:29:27.979Z | 193.133° SSW | 2026-06-21 03:33:27.979Z | 225.351° WSW | 43.914° | 2026-06-21 03:39:27.979Z | 6.62° NNE |
| 4 mins | 2026-06-21 12:41:27.979Z | 46.05° ENE | 2026-06-21 12:43:27.979Z | 67.127° ENE | 13.766° | 2026-06-21 12:45:27.979Z | 87.526° E |
| 11 mins | 2026-06-21 14:24:27.979Z | 348.978° N | 2026-06-21 14:29:27.979Z | 236.603° WSW | 44.808° | 2026-06-21 14:35:27.979Z | 175.381° S |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
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 |
|---|