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: 19 hours ago
TLE from 19 hours ago
0 OPS 9845 (DMSP 5D-2 F6)
1 13736U 82118A 26278.09965821 .00000106 00000-0 57342-4 0 9997
2 13736 98.5926 104.4084 0007738 10.7014 349.4332 14.30552797280720Epoch: 2026-10-05T02:23Z
TLE epoch observation values (Epoch: 2026-10-05T02:23:30.469Z)
Latitude
-0.00001°
Longitude
54.74804°
Altitude
787.363 km
Speed
7.463 km/s
True Right ascension
06h 57m 38s
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
15:21:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
792.567 km
Perigee altitude
781.478 km
Semi-major axis
7,165.16 km
Eccentricity
0.00077
Inclination
98.5926°
RAAN
104.4084°
Arg. of periapsis
10.7014°
True anomaly
349.41692°
Mean anomaly
349.4332°
Eccentric anomaly
349.42506°
Mean motion
3.57853 °/min
Orbital period
100.6 mins
BSTAR
0.000057342
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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 | 2026-10-06 00:47:53.256Z | 32.264° NE | 2026-10-06 00:51:53.256Z | 87.863° E | 37.568° | 2026-10-06 00:56:53.256Z | 164.951° S |
| 6 mins | 2026-10-06 02:28:53.256Z | 335.025° NNW | 2026-10-06 02:31:53.256Z | 287.013° WNW | 25.763° | 2026-10-06 02:34:53.256Z | 245.765° WSW |
| 8 mins | 2026-10-06 12:05:53.256Z | 142.215° SSE | 2026-10-06 12:09:53.256Z | 53.977° ENE | 51.704° | 2026-10-06 12:13:53.256Z | 358.286° N |
| 5 mins | 2026-10-06 13:46:53.256Z | 236.35° WSW | 2026-10-06 13:48:53.256Z | 262.448° W | 17.556° | 2026-10-06 13:51:53.256Z | 301.961° NW |
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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