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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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Non-operational Defense Weather
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
Oct Cyl, 0.4 m
Radar Cross Section
0.655 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 OPS 7869 (DMSP 4B F1)
1 03266U 68042A 25259.06079133 .00000056 00000-0 49412-4 0 9994
2 03266 98.5679 95.5702 0052798 11.5664 348.6711 14.15813339874349Epoch: 2025-09-16T01:27Z
TLE epoch observation values (Epoch: 2025-09-16T01:27:32.37Z)
Latitude
0°
Longitude
78.42882°
Altitude
805.095 km
Speed
7.47 km/s
True Right ascension
06h 22m 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
07:50:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
874.797 km
Perigee altitude
798.611 km
Semi-major axis
7,214.841 km
Eccentricity
0.00528
Inclination
98.5679°
RAAN
95.5702°
Arg. of periapsis
11.5664°
True anomaly
348.55148°
Mean anomaly
348.6711°
Eccentric anomaly
348.61137°
Mean motion
3.54163 °/min
Orbital period
101.65 mins
BSTAR
0.000049412
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-09-17 01:46:52.262Z | 21.701° NNE | 2025-09-17 01:51:52.262Z | 109.015° ESE | 41.433° | 2025-09-17 01:56:52.262Z | 181.3° SSW |
| 5 mins | 2025-09-17 03:29:52.262Z | 321.683° NNW | 2025-09-17 03:31:52.262Z | 295.252° NW | 17.68° | 2025-09-17 03:34:52.262Z | 259.894° W |
| 9 mins | 2025-09-17 13:11:52.262Z | 168.075° S | 2025-09-17 13:15:52.262Z | 262.232° W | 44.876° | 2025-09-17 13:20:52.262Z | 345.39° N |
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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