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: 9 hours ago
TLE from 9 hours ago
0 OPS 9845 (DMSP 5D-2 F6)
1 13736U 82118A 26319.15598686 .00000158 00000-0 77350-4 0 9999
2 13736 98.5895 144.9730 0006646 238.3098 121.7437 14.30566685286598Epoch: 2026-11-15T03:44Z
TLE epoch observation values (Epoch: 2026-11-15T03:44:37.264Z)
Latitude
-0.00004°
Longitude
34.56727°
Altitude
795.279 km
Speed
7.455 km/s
True Right ascension
09h 39m 53s
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
09:50:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
791.738 km
Perigee altitude
782.214 km
Semi-major axis
7,165.113 km
Eccentricity
0.00066
Inclination
98.5895°
RAAN
144.973°
Arg. of periapsis
238.3098°
True anomaly
121.80844°
Mean anomaly
121.7437°
Eccentric anomaly
121.77607°
Mean motion
3.57856 °/min
Orbital period
100.6 mins
BSTAR
0.00007735
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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
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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-11-15 13:57:19.556Z | 241.914° WSW | 2026-11-15 13:59:19.556Z | 265.736° W | 14.232° | 2026-11-15 14:02:19.556Z | 301.119° NW |
| 6 mins | 2026-11-16 00:30:19.556Z | 55.76° ENE | 2026-11-16 00:32:19.556Z | 85.766° E | 24.567° | 2026-11-16 00:36:19.556Z | 143.987° SSE |
| 7 mins | 2026-11-16 02:09:19.556Z | 346.517° N | 2026-11-16 02:12:19.556Z | 291.761° WNW | 38.299° | 2026-11-16 02:16:19.556Z | 228.102° WSW |
| 7 mins | 2026-11-16 11:47:19.556Z | 120.821° SE | 2026-11-16 11:50:19.556Z | 66.559° ENE | 35.305° | 2026-11-16 11:54:19.556Z | 7.722° NNE |
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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