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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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https://www.satcat.com/sats-embedded/2980?theme=dark&initialShowStats=false

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Identifier

2980, 1967-096A

Orbit

SSO

Country

Related business

USAF Space and Missile Systems Organization (US)

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)

1967-10-11 (58 years ago)

Launch vehicle

THOR BURNER 2

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 OPS 1264 (DMSP 4A F4)
1  2980U 67096A   26005.12489492  .00000902  00000-0  17830-3 0  9992
2  2980  99.2031  62.5837 0092652 247.7564 111.3787 14.62782877 63284

Epoch: 2026-01-05T02:59Z

TLE epoch observation values (Epoch: 2026-01-05T02:59:50.921Z)

Latitude

-0.00005°

Longitude

-87.10501°

Altitude

711.539 km

Speed

7.487 km/s

True Right ascension

04h 10m 20s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

09:37:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

746.736 km

Perigee altitude

615.921 km

Semi-major axis

7,059.466 km

Eccentricity

0.00927

Inclination

99.2031°

RAAN

62.5837°

Arg. of periapsis

247.7564°

True anomaly

112.36315°

Mean anomaly

111.3787°

Eccentric anomaly

111.87135°

Mean motion

3.65919 °/min

Orbital period

98.38 mins

BSTAR

0.0001783

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Other satellites on launch #96 in the year 1967 (1967-10-11 UTC)

THOR BURNER 2 R/B, 2985

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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.

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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	2026-01-05 16:42:26.640Z	12.486° NNE	2026-01-05 16:46:26.640Z	295.165° NW	44.838°	2026-01-05 16:50:26.640Z	198.306° SSW
7 mins	2026-01-06 03:45:26.640Z	172.578° S	2026-01-06 03:48:26.640Z	254.557° W	44.298°	2026-01-06 03:52:26.640Z	341.671° N

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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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Check out OPS 1264 (DMSP 4A F4), 2980 on other resources

View OPS 1264 (DMSP 4A F4), 2980 on NASA - NSSDCA Website

View OPS 1264 (DMSP 4A F4), 2980 on Heavens-Above

View OPS 1264 (DMSP 4A F4), 2980 on Keep Track

View OPS 1264 (DMSP 4A F4), 2980 on Celestrak

View OPS 1264 (DMSP 4A F4), 2980 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

OPS 1264 (DMSP 4A F4), 2980

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-01-05T02:59:50.921Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #96 in the year 1967 (1967-10-11 UTC)

OPS 1264 (DMSP 4A F4) Visibility forecast

Co-orbital & Co-planar RSOs

Check out OPS 1264 (DMSP 4A F4), 2980 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago