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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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: 13 hours ago
TLE from 13 hours ago
0 OPS 9845 (DMSP 5D-2 F6)
1 13736U 82118A 25311.27587323 .00000334 00000-0 14520-3 0 9994
2 13736 98.5907 136.5964 0006486 256.7984 103.2475 14.30398127233287Epoch: 2025-11-07T06:37Z
TLE epoch observation values (Epoch: 2025-11-07T06:37:15.447Z)
Latitude
-0.00001°
Longitude
-9.44013°
Altitude
794.401 km
Speed
7.456 km/s
True Right ascension
09h 06m 23s
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
16:01:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
792.187 km
Perigee altitude
782.892 km
Semi-major axis
7,165.676 km
Eccentricity
0.00065
Inclination
98.5907°
RAAN
136.5964°
Arg. of periapsis
256.7984°
True anomaly
103.31983°
Mean anomaly
103.2475°
Eccentric anomaly
103.28367°
Mean motion
3.57814 °/min
Orbital period
100.61 mins
BSTAR
0.0001452
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-11-08 00:02:16.931Z | 67.309° ENE | 2025-11-08 00:04:16.931Z | 91.983° ESE | 13.845° | 2025-11-08 00:06:16.931Z | 116.337° SE |
| 8 mins | 2025-11-08 01:40:16.931Z | 4.578° NNE | 2025-11-08 01:44:16.931Z | 274.043° WNW | 42.204° | 2025-11-08 01:48:16.931Z | 207.623° SW |
| 5 mins | 2025-11-08 11:20:16.931Z | 93.417° ESE | 2025-11-08 11:22:16.931Z | 63.044° ENE | 20.246° | 2025-11-08 11:25:16.931Z | 22.656° NE |
| 8 mins | 2025-11-08 12:58:16.931Z | 197.403° SSW | 2025-11-08 13:01:16.931Z | 258.585° W | 35.964° | 2025-11-08 13:06:16.931Z | 334.053° NNW |
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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