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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 owned by SAMSO (US) 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

10 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 10 hours ago

0 OPS 7869 (DMSP 4B F1)
1 03266U 68042A   25186.55220412  .00000040  00000-0  41340-4 0  9990
2 03266  98.5718  25.8223 0051810 217.6627 142.0915 14.15796647864083

Epoch: 2025-07-05T13:15Z

TLE epoch observation values (Epoch: 2025-07-05T13:15:10.435Z)

Latitude

-0.00012°

Longitude

-96.75977°

Altitude

872.099 km

Speed

7.401 km/s

True Right ascension

01h 43m 17s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-69.36501°

Longitude

60.1645°

Altitude

834.672 km

Speed

7.451 km/s

Apparent Right ascension

21h 34m 35s

Apparent Declination

-76° 12' 47"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

10:51:12

Azimuth

172.581° S

Elevation

-52.735°

Doppler factor

Orbital elements

Apogee altitude

874.141 km

Perigee altitude

799.381 km

Semi-major axis

7,214.898 km

Eccentricity

0.00518

Inclination

98.5718°

RAAN

25.8223°

Arg. of periapsis

217.6627°

True anomaly

Unknown

Mean anomaly

142.0915°

Eccentric anomaly

Unknown

Mean motion

3.54159 °/min

Orbital period

101.65 mins

BSTAR

0.00004134

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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.
9 mins	2025-07-06 01:42:56.143Z	27.197° NE	2025-07-06 01:47:56.143Z	113.096° SE	36.285°	2025-07-06 01:51:56.143Z	170.73° S
6 mins	2025-07-06 03:24:56.143Z	333.605° NNW	2025-07-06 03:27:56.143Z	291.866° WNW	20.564°	2025-07-06 03:30:56.143Z	253.268° W
9 mins	2025-07-06 13:07:56.143Z	157.322° SSE	2025-07-06 13:11:56.143Z	32.173° NE	43.788°	2025-07-06 13:16:56.143Z	349.817° N

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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.