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OPS 7869 (DMSP 4B F1), 3266

Orbit data source: Space-Track

OPS 7869 (DMSP 4B F1), 3266 is a payload satellite in SSO that was launched on Thu, 23 May 1968 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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<iframe src="https://www.satcat.com/sats-embedded/3266?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/3266?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

3266, 1968-042A

Orbit

SSO

Last TLE update

11 hours ago

Origin

USAF Space and Missile Systems Organization (US)

Manufacturer

RCA/East Windsor

Mission

Non-operational Defense Weather

Bus & Motor

DMSP BLOCK 4B, Unknown motor

Mass

79 kg wet, 79 kg dry

Launch date (UTC)

1968-05-23 (57 years ago)

Launch vehicle

THOR BURNER 2

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Oct Cyl, 0.8 m

Radar Cross Section

0.655 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 11 hours ago

0 OPS 7869 (DMSP 4B F1)
1 03266U 68042A   25141.53440992  .00000067  00000-0  54681-4 0  9997
2 03266  98.5744 342.5102 0052330 349.2627  10.7426 14.15787044857718

Epoch: 2025-05-21T12:49Z

TLE epoch observation values (Epoch: 2025-05-21T12:49:33.017Z)

Latitude

-0.00002°

Longitude

-89.29431°

Altitude

805.44 km

Speed

7.47 km/s

True Right ascension

22h 50m 02s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

81.35869°

Longitude

171.85072°

Altitude

861.642 km

Speed

7.424 km/s

Apparent Right ascension

19h 44m 07s

Apparent Declination

29° 11' 05"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

08:24:45

Azimuth

9.447° NNE

Elevation

-20.257°

Doppler factor

Orbital elements

Apogee altitude

874.549 km

Perigee altitude

799.038 km

Semi-major axis

7,214.931 km

Eccentricity

0.00523

Inclination

98.5744°

RAAN

342.5102°

Arg. of periapsis

349.2627°

True anomaly

Unknown

Mean anomaly

10.7426°

Eccentric anomaly

Unknown

Mean motion

3.54156 °/min

Orbital period

101.65 mins

BSTAR

0.000054681

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Other satellites on launch #42 in the year 1968 (1968-05-23 UTC)

THOR BURNER 2 R/B, 3271

OPS 7869 (DMSP 4B F1) Visibility forecast

Observer location: undefined°, undefined°

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	2025-05-22 01:17:49.499Z	42.423° NE	2025-05-22 01:21:49.499Z	94.681° ESE	24.404°	2025-05-22 01:25:49.499Z	147.083° SSE
8 mins	2025-05-22 02:58:49.499Z	349.958° N	2025-05-22 03:02:49.499Z	279.146° WNW	32.557°	2025-05-22 03:06:49.499Z	226.374° WSW
8 mins	2025-05-22 12:42:49.499Z	129.82° SE	2025-05-22 12:45:49.499Z	80.533° E	33.008°	2025-05-22 12:50:49.499Z	2.629° NNE
7 mins	2025-05-22 14:23:49.499Z	223.034° SW	2025-05-22 14:26:49.499Z	265.898° W	21.959°	2025-05-22 14:30:49.499Z	317.123° NNW

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Check out OPS 7869 (DMSP 4B F1), 3266 on other resources

View OPS 7869 (DMSP 4B F1), 3266 on NASA - NSSDCA Website

View OPS 7869 (DMSP 4B F1), 3266 on Heavens-Above

View OPS 7869 (DMSP 4B F1), 3266 on Keep Track

View OPS 7869 (DMSP 4B F1), 3266 on Celestrak

View OPS 7869 (DMSP 4B F1), 3266 on Gunter's Space Page

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