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: 10 hours ago
TLE from 10 hours ago
0 OPS 1264 (DMSP 4A F4)
1 02980U 67096A 26004.16725799 .00001100 00000-0 21482-3 0 9997
2 02980 99.2033 61.5167 0092628 250.6970 108.4193 14.62781724 63141Epoch: 2026-01-04T04:00Z
TLE epoch observation values (Epoch: 2026-01-04T04:00:51.090Z)
Latitude
-0.00002°
Longitude
-102.47883°
Altitude
708.38 km
Speed
7.49 km/s
True Right ascension
04h 06m 04s
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
14:15:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
746.723 km
Perigee altitude
615.942 km
Semi-major axis
7,059.469 km
Eccentricity
0.00926
Inclination
99.2033°
RAAN
61.5167°
Arg. of periapsis
250.697°
True anomaly
109.42264°
Mean anomaly
108.4193°
Eccentric anomaly
108.92134°
Mean motion
3.65919 °/min
Orbital period
98.38 mins
BSTAR
0.00021482
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-01-04 16:05:30.981Z | 32.605° NE | 2026-01-04 16:09:30.981Z | 103.681° ESE | 32.867° | 2026-01-04 16:13:30.981Z | 168.153° S |
| 5 mins | 2026-01-04 17:44:30.981Z | 325.831° NNW | 2026-01-04 17:46:30.981Z | 292.63° NW | 20.136° | 2026-01-04 17:49:30.981Z | 250.166° W |
| 7 mins | 2026-01-05 03:08:30.981Z | 133.709° SE | 2026-01-05 03:11:30.981Z | 70.049° E | 35.941° | 2026-01-05 03:15:30.981Z | 1.014° NNE |
| 5 mins | 2026-01-05 04:46:30.981Z | 230.945° WSW | 2026-01-05 04:48:30.981Z | 258.97° W | 18.131° | 2026-01-05 04:51:30.981Z | 302.251° 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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