SSB, 13845
Orbit data source: Space-Track
SSB, 13845 is an American payload satellite in LEO that was launched on Wed, 09 Feb 1983 UTC via an ATLAS H 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
13845 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Create New Watchlist
Identifier
Orbit
Country
USRelated business
Manufacturer
Martin Marietta
Mission
Spacecraft
Bus & Motor
NOSS SSU, Unknown motor
Mass
200 kg wet, 200 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 SSB
1 13845U 83008F 26131.21087417 .00000847 00000-0 13749-3 0 9999
2 13845 63.3070 119.6386 0710620 135.0958 230.9881 13.78315316339805Epoch: 2026-05-11T05:03Z
TLE epoch observation values (Epoch: 2026-05-11T05:03:39.528Z)
Latitude
-0.00004°
Longitude
174.72102°
Altitude
1,321.354 km
Speed
7.024 km/s
True Right ascension
07h 58m 33s
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
22:23:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,490.761 km
Perigee altitude
446.602 km
Semi-major axis
7,346.818 km
Eccentricity
0.07106
Inclination
63.307°
RAAN
119.6386°
Arg. of periapsis
135.0958°
True anomaly
225.00729°
Mean anomaly
230.9881°
Eccentric anomaly
227.96406°
Mean motion
3.44663 °/min
Orbital period
104.45 mins
BSTAR
0.00013749
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 #8 in the year 1983 (1983-02-09 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.SSB 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-05-12 00:19:15.615Z | 186.593° SSW | 2026-05-12 00:25:15.615Z | 124.204° SE | 34.941° | 2026-05-12 00:30:15.615Z | 50.495° ENE |
| 8 mins | 2026-05-12 02:09:15.615Z | 256.468° W | 2026-05-12 02:13:15.615Z | 309.804° NW | 28.716° | 2026-05-12 02:17:15.615Z | 10.545° NNE |
| 5 mins | 2026-05-12 09:30:15.615Z | 340.812° N | 2026-05-12 09:32:15.615Z | 73.137° E | 40.492° | 2026-05-12 09:35:15.615Z | 134.968° SE |
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 |
|---|