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: 2 days ago
TLE from 2 days ago
0 OPS 1264 (DMSP 4A F4)
1 02980U 67096A 26183.70838647 .00000648 00000-0 13024-3 0 9991
2 02980 99.1813 261.3077 0093980 64.6862 296.4036 14.63014740 89398Epoch: 2026-07-02T17:00Z
TLE epoch observation values (Epoch: 2026-07-02T17:00:04.591Z)
Latitude
0.00003°
Longitude
85.54167°
Altitude
657.4 km
Speed
7.544 km/s
True Right ascension
17h 25m 13s
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
23:30:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
746.919 km
Perigee altitude
614.243 km
Semi-major axis
7,058.718 km
Eccentricity
0.0094
Inclination
99.1813°
RAAN
261.3077°
Arg. of periapsis
64.6862°
True anomaly
295.43399°
Mean anomaly
296.4036°
Eccentric anomaly
295.9193°
Mean motion
3.65978 °/min
Orbital period
98.37 mins
BSTAR
0.00013024
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-07-04 17:10:55.794Z | 47.708° ENE | 2026-07-04 17:13:55.794Z | 89.869° E | 19.37° | 2026-07-04 17:16:55.794Z | 137.07° SSE |
| 6 mins | 2026-07-04 18:48:55.794Z | 345.978° N | 2026-07-04 18:51:55.794Z | 279.472° WNW | 30.454° | 2026-07-04 18:54:55.794Z | 229.434° WSW |
| 4 mins | 2026-07-05 04:15:55.794Z | 93.244° ESE | 2026-07-05 04:16:55.794Z | 74.195° E | 20.524° | 2026-07-05 04:19:55.794Z | 21.916° NNE |
| 6 mins | 2026-07-05 05:51:55.794Z | 211.079° SW | 2026-07-05 05:53:55.794Z | 248.448° W | 26.116° | 2026-07-05 05:57:55.794Z | 321.9° NNW |
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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