OPS 1264 (DMSP 4A F4), 2980
Orbit data source: Space-Track
OPS 1264 (DMSP 4A F4), 2980 is a payload satellite owned by SAMSO (US) in SSO that was launched on Wed, 11 Oct 1967 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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2980 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 4A, 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: 7 hours ago
TLE from 7 hours ago
0 OPS 1264 (DMSP 4A F4)
1 02980U 67096A 25260.94721172 .00000427 00000-0 91005-4 0 9997
2 02980 99.2211 300.8527 0093193 219.4680 139.9706 14.62570765 47329Epoch: 2025-09-17T22:43Z
TLE epoch observation values (Epoch: 2025-09-17T22:43:59.092Z)
Latitude
0.00002°
Longitude
-37.25937°
Altitude
738.503 km
Speed
7.459 km/s
True Right ascension
20h 03m 24s
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
22:15:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
747.808 km
Perigee altitude
616.217 km
Semi-major axis
7,060.15 km
Eccentricity
0.00932
Inclination
99.2211°
RAAN
300.8527°
Arg. of periapsis
219.468°
True anomaly
140.65137°
Mean anomaly
139.9706°
Eccentric anomaly
140.31159°
Mean motion
3.65866 °/min
Orbital period
98.4 mins
BSTAR
0.000091005
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Other satellites on launch #96 in the year 1967 (1967-10-11 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 1264 (DMSP 4A F4) 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 | 2025-09-18 15:43:31.414Z | 13.812° NNE | 2025-09-18 15:47:31.414Z | 3.281° NNE | 44.759° | 2025-09-18 15:51:31.414Z | 196.186° SSW |
| 8 mins | 2025-09-19 02:46:31.414Z | 169.617° S | 2025-09-19 02:49:31.414Z | 199.063° SSW | 43.868° | 2025-09-19 02:54:31.414Z | 343.448° 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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