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.
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13736 intel report (Beta)
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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
BOX + PAN, 1.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 OPS 9845 (DMSP 5D-2 F6)
1 13736U 82118A 26266.76889193 .00000097 00000-0 53969-4 0 9995
2 13736 98.5933 93.2119 0008302 41.8114 318.3701 14.30549762279109Epoch: 2026-09-23T18:27Z
TLE epoch observation values (Epoch: 2026-09-23T18:27:12.262Z)
Latitude
-0.0001°
Longitude
173.79555°
Altitude
788.38 km
Speed
7.462 km/s
True Right ascension
06h 12m 50s
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
23:08:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
792.981 km
Perigee altitude
781.084 km
Semi-major axis
7,165.17 km
Eccentricity
0.00083
Inclination
98.5933°
RAAN
93.2119°
Arg. of periapsis
41.8114°
True anomaly
318.30685°
Mean anomaly
318.3701°
Eccentric anomaly
318.33848°
Mean motion
3.57852 °/min
Orbital period
100.6 mins
BSTAR
0.000053969
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Other satellites on launch #118 in the year 1982 (1982-12-21 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.OPS 9845 (DMSP 5D-2 F6) 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-09-24 11:23:00.210Z | 113.612° SE | 2026-09-24 11:27:00.210Z | 62.025° ENE | 22.174° | 2026-09-24 11:30:00.210Z | 21.558° NNE |
| 7 mins | 2026-09-24 13:03:00.210Z | 199.43° SSW | 2026-09-24 13:06:00.210Z | 260.977° W | 44.587° | 2026-09-24 13:10:00.210Z | 329.127° NNW |
| 8 mins | 2026-09-25 01:16:00.210Z | 22.853° NE | 2026-09-25 01:19:00.210Z | 80.034° E | 67.969° | 2026-09-25 01:24:00.210Z | 185.252° SSW |
| 4 mins | 2026-09-25 02:57:00.210Z | 313.539° NW | 2026-09-25 02:58:00.210Z | 300.519° NW | 15.233° | 2026-09-25 03:01:00.210Z | 264.837° W |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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