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: 20 hours ago
TLE from 20 hours ago
0 OPS 1264 (DMSP 4A F4)
1 02980U 67096A 26082.41633639 .00000505 00000-0 10461-3 0 9995
2 02980 99.1878 148.6469 0093409 13.4071 346.9578 14.62903974 74583Epoch: 2026-03-23T09:59Z
TLE epoch observation values (Epoch: 2026-03-23T09:59:31.464Z)
Latitude
0.00006°
Longitude
177.85713°
Altitude
622.525 km
Speed
7.582 km/s
True Right ascension
09h 54m 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
11:21:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
746.876 km
Perigee altitude
615 km
Semi-major axis
7,059.075 km
Eccentricity
0.00934
Inclination
99.1878°
RAAN
148.6469°
Arg. of periapsis
13.4071°
True anomaly
346.71347°
Mean anomaly
346.9578°
Eccentric anomaly
346.83591°
Mean motion
3.6595 °/min
Orbital period
98.37 mins
BSTAR
0.00010461
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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 | 2026-03-24 16:07:49.876Z | 54.392° ENE | 2026-03-24 16:10:49.876Z | 93.814° ESE | 16.485° | 2026-03-24 16:13:49.876Z | 133.039° SE |
| 8 mins | 2026-03-24 17:44:49.876Z | 358.502° N | 2026-03-24 17:47:49.876Z | 308.991° NW | 36.816° | 2026-03-24 17:52:49.876Z | 214.965° SW |
| 7 mins | 2026-03-25 04:47:49.876Z | 195.653° SSW | 2026-03-25 04:50:49.876Z | 261.042° W | 33.326° | 2026-03-25 04:54:49.876Z | 330.589° 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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