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 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: 9 hours ago
TLE from 9 hours ago
0 OPS 7869 (DMSP 4B F1)
1 03266U 68042A 25354.81834347 .00000044 00000-0 42639-4 0 9990
2 03266 98.5584 187.6283 0053559 95.0652 265.6639 14.15849268887892Epoch: 2025-12-20T19:38Z
TLE epoch observation values (Epoch: 2025-12-20T19:38:24.875Z)
Latitude
-0.00005°
Longitude
163.38497°
Altitude
845.467 km
Speed
7.428 km/s
True Right ascension
12h 30m 30s
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
03:13:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
875.223 km
Perigee altitude
797.94 km
Semi-major axis
7,214.718 km
Eccentricity
0.00536
Inclination
98.5584°
RAAN
187.6283°
Arg. of periapsis
95.0652°
True anomaly
265.05224°
Mean anomaly
265.6639°
Eccentric anomaly
265.35804°
Mean motion
3.54172 °/min
Orbital period
101.65 mins
BSTAR
0.000042639
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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 | 2025-12-21 12:42:35.855Z | 153.609° SSE | 2025-12-21 12:47:35.855Z | 76.273° E | 42.221° | 2025-12-21 12:52:35.855Z | 353.308° N |
| 7 mins | 2025-12-22 01:04:35.855Z | 44.467° NE | 2025-12-22 01:07:35.855Z | 87.675° E | 25.676° | 2025-12-22 01:11:35.855Z | 148.804° SSE |
| 7 mins | 2025-12-22 02:45:35.855Z | 341.797° N | 2025-12-22 02:48:35.855Z | 288.947° WNW | 28.957° | 2025-12-22 02:52:35.855Z | 232.205° WSW |
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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