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: 6 hours ago
TLE from 6 hours ago
0 OPS 9845 (DMSP 5D-2 F6)
1 13736U 82118A 26008.25105990 .00000234 00000-0 10669-3 0 9991
2 13736 98.5891 197.8056 0008445 77.5879 282.6249 14.30443611242145Epoch: 2026-01-08T06:01Z
TLE epoch observation values (Epoch: 2026-01-08T06:01:31.575Z)
Latitude
0.00005°
Longitude
-0.38382°
Altitude
791.862 km
Speed
7.458 km/s
True Right ascension
13h 11m 13s
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
12:16:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
793.439 km
Perigee altitude
781.336 km
Semi-major axis
7,165.524 km
Eccentricity
0.00084
Inclination
98.5891°
RAAN
197.8056°
Arg. of periapsis
77.5879°
True anomaly
282.53045°
Mean anomaly
282.6249°
Eccentric anomaly
282.57767°
Mean motion
3.57825 °/min
Orbital period
100.61 mins
BSTAR
0.00010669
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-01-08 12:51:15.639Z | 185.347° SSW | 2026-01-08 12:55:15.639Z | 251.793° W | 38.676° | 2026-01-08 13:00:15.639Z | 336.271° NNW |
| 8 mins | 2026-01-09 01:05:15.639Z | 27.592° NE | 2026-01-09 01:08:15.639Z | 78.476° E | 39.459° | 2026-01-09 01:13:15.639Z | 178.515° S |
| 4 mins | 2026-01-09 02:46:15.639Z | 317.606° NNW | 2026-01-09 02:47:15.639Z | 303.789° NW | 16.802° | 2026-01-09 02:50:15.639Z | 263.981° 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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