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 spacecraft
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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 OPS 1264 (DMSP 4A F4)
1 02980U 67096A 25308.08197376 .00000665 00000-0 13427-3 0 9993
2 02980 99.2128 353.4309 0094624 76.8675 284.3062 14.62665967 54212Epoch: 2025-11-04T01:58Z
TLE epoch observation values (Epoch: 2025-11-04T01:58:02.532Z)
Latitude
-0.00006°
Longitude
-79.65375°
Altitude
671.614 km
Speed
7.53 km/s
True Right ascension
23h 33m 43s
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
08:03:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
748.509 km
Perigee altitude
614.903 km
Semi-major axis
7,059.843 km
Eccentricity
0.00946
Inclination
99.2128°
RAAN
353.4309°
Arg. of periapsis
76.8675°
True anomaly
283.25249°
Mean anomaly
284.3062°
Eccentric anomaly
283.77965°
Mean motion
3.6589 °/min
Orbital period
98.39 mins
BSTAR
0.00013427
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-11-04 15:40:26.841Z | 31.084° NE | 2025-11-04 15:44:26.841Z | 119.028° SE | 34.402° | 2025-11-04 15:47:26.841Z | 169.566° S |
| 4 mins | 2025-11-04 17:19:26.841Z | 319.829° NNW | 2025-11-04 17:21:26.841Z | 287.266° WNW | 16.267° | 2025-11-04 17:23:26.841Z | 259.323° W |
| 6 mins | 2025-11-05 02:44:26.841Z | 137.173° SSE | 2025-11-05 02:46:26.841Z | 94.423° ESE | 36.468° | 2025-11-05 02:50:26.841Z | 359.226° 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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