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: 13 hours ago
TLE from 13 hours ago
0 OPS 1264 (DMSP 4A F4)
1 02980U 67096A 25356.71789889 .00000502 00000-0 10470-3 0 9997
2 02980 99.2054 47.6443 0092580 288.9349 70.1833 14.62755543 61321Epoch: 2025-12-22T17:13Z
TLE epoch observation values (Epoch: 2025-12-22T17:13:46.464Z)
Latitude
0.00008°
Longitude
57.68871°
Altitude
665.615 km
Speed
7.536 km/s
True Right ascension
03h 10m 34s
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
05:32:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
746.774 km
Perigee altitude
616.059 km
Semi-major axis
7,059.554 km
Eccentricity
0.00926
Inclination
99.2054°
RAAN
47.6443°
Arg. of periapsis
288.9349°
True anomaly
71.18524°
Mean anomaly
70.1833°
Eccentric anomaly
70.68388°
Mean motion
3.65913 °/min
Orbital period
98.38 mins
BSTAR
0.0001047
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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 | 2025-12-23 16:48:03.786Z | 3.314° NNE | 2025-12-23 16:51:03.786Z | 292.853° NW | 42.222° | 2025-12-23 16:55:03.786Z | 208.356° SW |
| 4 mins | 2025-12-24 02:15:03.786Z | 81.018° E | 2025-12-24 02:16:03.786Z | 66.775° ENE | 15.352° | 2025-12-24 02:19:03.786Z | 27.009° NE |
| 7 mins | 2025-12-24 03:50:03.786Z | 184.447° SSW | 2025-12-24 03:53:03.786Z | 253.159° W | 40.363° | 2025-12-24 03:57:03.786Z | 335.208° 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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