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: 17 hours ago
TLE from 17 hours ago
0 OPS 1264 (DMSP 4A F4)
1 02980U 67096A 26262.56217539 .00000337 00000-0 73426-4 0 9992
2 02980 99.1765 348.9770 0093031 183.5773 176.4772 14.63069426100923Epoch: 2026-09-19T13:29Z
TLE epoch observation values (Epoch: 2026-09-19T13:29:31.953Z)
Latitude
0°
Longitude
148.12493°
Altitude
751.823 km
Speed
7.444 km/s
True Right ascension
23h 15m 54s
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
23:35:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
746.071 km
Perigee altitude
614.738 km
Semi-major axis
7,058.542 km
Eccentricity
0.0093
Inclination
99.1765°
RAAN
348.977°
Arg. of periapsis
183.5773°
True anomaly
176.54195°
Mean anomaly
176.4772°
Eccentric anomaly
176.50965°
Mean motion
3.65991 °/min
Orbital period
98.36 mins
BSTAR
0.000073426
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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 | 2026-09-20 17:59:13.266Z | 44.041° NE | 2026-09-20 18:02:13.266Z | 89.674° E | 23.972° | 2026-09-20 18:05:13.266Z | 143.211° SSE |
| 6 mins | 2026-09-20 19:37:13.266Z | 340.838° N | 2026-09-20 19:40:13.266Z | 280.883° WNW | 28.027° | 2026-09-20 19:43:13.266Z | 235.211° WSW |
| 7 mins | 2026-09-21 05:02:13.266Z | 117.883° SE | 2026-09-21 05:05:13.266Z | 64.757° ENE | 31.093° | 2026-09-21 05:09:13.266Z | 7.473° NNE |
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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