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
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 OPS 9845 (DMSP 5D-2 F6)
1 13736U 82118A 26171.43549693 .00000108 00000-0 58415-4 0 9996
2 13736 98.5930 359.0206 0006752 323.6753 36.3971 14.30521704265470Epoch: 2026-06-20T10:27Z
TLE epoch observation values (Epoch: 2026-06-20T10:27:06.934Z)
Latitude
-0°
Longitude
-66.40845°
Altitude
789.025 km
Speed
7.461 km/s
True Right ascension
23h 56m 04s
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
02:14:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
791.964 km
Perigee altitude
782.288 km
Semi-major axis
7,165.263 km
Eccentricity
0.00068
Inclination
98.593°
RAAN
359.0206°
Arg. of periapsis
323.6753°
True anomaly
36.44304°
Mean anomaly
36.3971°
Eccentric anomaly
36.42007°
Mean motion
3.57845 °/min
Orbital period
100.6 mins
BSTAR
0.000058415
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-06-23 01:07:56.450Z | 20.716° NNE | 2026-06-23 01:12:56.450Z | 98.211° ESE | 41.295° | 2026-06-23 01:17:56.450Z | 181.629° SSW |
| 5 mins | 2026-06-23 02:49:56.450Z | 324.15° NNW | 2026-06-23 02:51:56.450Z | 297.78° NW | 16.309° | 2026-06-23 02:54:56.450Z | 261.015° W |
| 8 mins | 2026-06-23 12:26:56.450Z | 162.2° S | 2026-06-23 12:29:56.450Z | 124.562° SE | 44.754° | 2026-06-23 12:34:56.450Z | 347.925° N |
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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