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: 21 hours ago
TLE from 21 hours ago
0 OPS 1264 (DMSP 4A F4)
1 02980U 67096A 25260.05784496 .00000415 00000-0 88956-4 0 9995
2 02980 99.2212 299.8602 0093156 222.1923 137.2080 14.62569886 47194Epoch: 2025-09-17T01:23Z
TLE epoch observation values (Epoch: 2025-09-17T01:23:17.804Z)
Latitude
-0.00005°
Longitude
-77.20323°
Altitude
736.416 km
Speed
7.461 km/s
True Right ascension
19h 59m 26s
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
15:00:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
747.785 km
Perigee altitude
616.246 km
Semi-major axis
7,060.152 km
Eccentricity
0.00932
Inclination
99.2212°
RAAN
299.8602°
Arg. of periapsis
222.1923°
True anomaly
137.92702°
Mean anomaly
137.208°
Eccentric anomaly
137.56812°
Mean motion
3.65866 °/min
Orbital period
98.4 mins
BSTAR
0.000088956
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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 02:08:33.975Z | 138.887° SSE | 2025-09-18 02:12:33.975Z | 77.364° E | 34.869° | 2025-09-18 02:16:33.975Z | 3.126° NNE |
| 6 mins | 2025-09-18 03:47:33.975Z | 227.533° WSW | 2025-09-18 03:50:33.975Z | 271.786° WNW | 19.243° | 2025-09-18 03:53:33.975Z | 310.725° NW |
| 7 mins | 2025-09-18 15:44:33.975Z | 13.828° NNE | 2025-09-18 15:47:33.975Z | 359.947° N | 44.852° | 2025-09-18 15:51:33.975Z | 196.185° SSW |
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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