OPS 9845 (DMSP 5D-2 F6), 13736
Orbit data source: Space-Track
OPS 9845 (DMSP 5D-2 F6), 13736 is a payload satellite owned by USAF SD (US) in SSO that was launched on Tue, 21 Dec 1982 UTC via an ATLAS E 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
Embed this page
Focus sentinelFocus sentinel
13736 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Non-operational spacecraft
Bus & Motor
BLOCK 5D, STAR 37S
Mass
1,474 kg wet, 760 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: 6 hours ago
TLE from 6 hours ago
0 OPS 9845 (DMSP 5D-2 F6)
1 13736U 82118A 25300.50346043 .00000269 00000-0 12049-3 0 9991
2 13736 98.5916 125.9555 0006573 293.4323 66.6168 14.30390312231745Epoch: 2025-10-27T12:04Z
TLE epoch observation values (Epoch: 2025-10-27T12:04:58.981Z)
Latitude
-0.00002°
Longitude
-91.39462°
Altitude
791.491 km
Speed
7.459 km/s
True Right ascension
08h 23m 49s
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
13:18:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
792.276 km
Perigee altitude
782.856 km
Semi-major axis
7,165.703 km
Eccentricity
0.00066
Inclination
98.5916°
RAAN
125.9555°
Arg. of periapsis
293.4323°
True anomaly
66.68596°
Mean anomaly
66.6168°
Eccentric anomaly
66.65138°
Mean motion
3.57812 °/min
Orbital period
100.61 mins
BSTAR
0.00012049
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 #118 in the year 1982 (1982-12-21 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.OPS 9845 (DMSP 5D-2 F6) 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-10-28 00:26:12.808Z | 46.176° ENE | 2025-10-28 00:29:12.808Z | 86.74° E | 22.735° | 2025-10-28 00:33:12.808Z | 144.591° SSE |
| 7 mins | 2025-10-28 02:06:12.808Z | 346.035° N | 2025-10-28 02:09:12.808Z | 290.558° WNW | 31.686° | 2025-10-28 02:13:12.808Z | 228.022° WSW |
| 7 mins | 2025-10-28 11:44:12.808Z | 121.88° SE | 2025-10-28 11:47:12.808Z | 68.248° E | 30.139° | 2025-10-28 11:51:12.808Z | 7.848° NNE |
| 6 mins | 2025-10-28 13:24:12.808Z | 223.796° SW | 2025-10-28 13:26:12.808Z | 255.162° W | 24.007° | 2025-10-28 13:30:12.808Z | 315.609° 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 ascending 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 ascending order |
|---|