OPS 7869 (DMSP 4B F1), 3266
Orbit data source: Space-Track
OPS 7869 (DMSP 4B F1), 3266 is a payload satellite owned by SAMSO (US) in SSO that was launched on Thu, 23 May 1968 UTC via a THOR BURNER 2 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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3266 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Non-operational spacecraft
Bus & Motor
DMSP BLOCK 4B, Unknown motor
Mass
79 kg wet, 79 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 OPS 7869 (DMSP 4B F1)
1 3266U 68042A 26145.42846764 .00000061 00000-0 51811-4 0 9993
2 3266 98.5583 337.1687 0052669 9.2687 350.9448 14.15890805909914Epoch: 2026-05-25T10:16Z
TLE epoch observation values (Epoch: 2026-05-25T10:16:59.604Z)
Latitude
0.00006°
Longitude
-60.09606°
Altitude
804.655 km
Speed
7.47 km/s
True Right ascension
22h 28m 40s
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
01:12:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
874.439 km
Perigee altitude
798.442 km
Semi-major axis
7,214.577 km
Eccentricity
0.00527
Inclination
98.5583°
RAAN
337.1687°
Arg. of periapsis
9.2687°
True anomaly
350.84919°
Mean anomaly
350.9448°
Eccentric anomaly
350.89706°
Mean motion
3.54182 °/min
Orbital period
101.64 mins
BSTAR
0.000051811
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Other satellites on launch #42 in the year 1968 (1968-05-23 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 7869 (DMSP 4B F1) 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-05-26 00:27:53.647Z | 54.633° ENE | 2026-05-26 00:30:53.647Z | 91.949° ESE | 18.637° | 2026-05-26 00:33:53.647Z | 129.574° SE |
| 9 mins | 2026-05-26 02:07:53.647Z | 358.486° N | 2026-05-26 02:11:53.647Z | 280.061° WNW | 38.877° | 2026-05-26 02:16:53.647Z | 213.191° SW |
| 7 mins | 2026-05-26 11:52:53.647Z | 112.293° ESE | 2026-05-26 11:55:53.647Z | 60.31° ENE | 26.576° | 2026-05-26 11:59:53.647Z | 8.986° NNE |
| 7 mins | 2026-05-26 13:32:53.647Z | 211.943° SW | 2026-05-26 13:35:53.647Z | 261.668° W | 28.065° | 2026-05-26 13:39:53.647Z | 321.71° 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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