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
OCT CYL, 1.1 m
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 26274.05160722 .00000288 00000-0 64264-4 0 9995
2 02980 99.1762 1.7468 0093583 148.7157 211.9657 14.63079164102603Epoch: 2026-10-01T01:14Z
TLE epoch observation values (Epoch: 2026-10-01T01:14:18.863Z)
Latitude
-0.00009°
Longitude
-26.62524°
Altitude
742.452 km
Speed
7.454 km/s
True Right ascension
00h 06m 59s
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
06:19:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
746.429 km
Perigee altitude
614.318 km
Semi-major axis
7,058.51 km
Eccentricity
0.00936
Inclination
99.1762°
RAAN
1.7468°
Arg. of periapsis
148.7157°
True anomaly
211.40356°
Mean anomaly
211.9657°
Eccentric anomaly
211.68407°
Mean motion
3.65994 °/min
Orbital period
98.36 mins
BSTAR
0.000064264
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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 | 2026-10-01 18:13:52.986Z | 37.103° NE | 2026-10-01 18:17:52.986Z | 106.769° ESE | 29.414° | 2026-10-01 18:20:52.986Z | 156.576° SSE |
| 5 mins | 2026-10-01 19:52:52.986Z | 327.597° NNW | 2026-10-01 19:54:52.986Z | 289.333° WNW | 22.574° | 2026-10-01 19:57:52.986Z | 243.536° WSW |
| 7 mins | 2026-10-02 05:16:52.986Z | 129.528° SE | 2026-10-02 05:19:52.986Z | 79.725° E | 36.481° | 2026-10-02 05:23:52.986Z | 6.549° NNE |
| 6 mins | 2026-10-02 06:54:52.986Z | 222.959° SW | 2026-10-02 06:57:52.986Z | 270.694° WNW | 21.991° | 2026-10-02 07:00:52.986Z | 312.667° NW |
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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