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: 7 hours ago
TLE from 7 hours ago
0 OPS 9845 (DMSP 5D-2 F6)
1 13736U 82118A 25354.78461075 .00000129 00000-0 66307-4 0 9995
2 13736 98.5885 179.5674 0008274 125.8627 234.3326 14.30429770239505Epoch: 2025-12-20T18:49Z
TLE epoch observation values (Epoch: 2025-12-20T18:49:50.368Z)
Latitude
0.00005°
Longitude
167.50109°
Altitude
796.69 km
Speed
7.453 km/s
True Right ascension
11h 58m 16s
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
00:33:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
793.362 km
Perigee altitude
781.505 km
Semi-major axis
7,165.571 km
Eccentricity
0.00083
Inclination
98.5885°
RAAN
179.5674°
Arg. of periapsis
125.8627°
True anomaly
234.25562°
Mean anomaly
234.3326°
Eccentric anomaly
234.2941°
Mean motion
3.57822 °/min
Orbital period
100.61 mins
BSTAR
0.000066307
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-12-21 02:07:09.469Z | 352.173° N | 2025-12-21 02:11:09.469Z | 288.119° WNW | 30.825° | 2025-12-21 02:15:09.469Z | 228.381° WSW |
| 7 mins | 2025-12-21 11:46:09.469Z | 122.501° SE | 2025-12-21 11:49:09.469Z | 66.978° ENE | 30.709° | 2025-12-21 11:53:09.469Z | 6.964° NNE |
| 6 mins | 2025-12-21 13:26:09.469Z | 225.192° WSW | 2025-12-21 13:28:09.469Z | 256.327° W | 23.413° | 2025-12-21 13:32:09.469Z | 315.455° 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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