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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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: 11 hours ago
TLE from 11 hours ago
0 OPS 1264 (DMSP 4A F4)
1 02980U 67096A 26178.16867404 .00000570 00000-0 11589-3 0 9996
2 02980 99.1815 255.1475 0094103 81.3941 279.7905 14.63007371 88586Epoch: 2026-06-27T04:02Z
TLE epoch observation values (Epoch: 2026-06-27T04:02:53.437Z)
Latitude
-0.00008°
Longitude
-80.86184°
Altitude
675.744 km
Speed
7.525 km/s
True Right ascension
17h 00m 35s
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
02:12:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
747.03 km
Perigee altitude
614.18 km
Semi-major axis
7,058.742 km
Eccentricity
0.00941
Inclination
99.1815°
RAAN
255.1475°
Arg. of periapsis
81.3941°
True anomaly
278.7258°
Mean anomaly
279.7905°
Eccentric anomaly
279.25835°
Mean motion
3.65976 °/min
Orbital period
98.37 mins
BSTAR
0.00011589
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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 | 2026-06-27 17:44:56.553Z | 27.737° NE | 2026-06-27 17:48:56.553Z | 117.746° SE | 37.11° | 2026-06-27 17:52:56.553Z | 177.485° S |
| 6 mins | 2026-06-28 04:48:56.553Z | 141.725° SSE | 2026-06-28 04:50:56.553Z | 97.322° ESE | 38.823° | 2026-06-28 04:54:56.553Z | 356.663° 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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