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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

12 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 12 hours ago

0 OPS 7869 (DMSP 4B F1)
1 03266U 68042A   25151.56975995  .00000059  00000-0  51069-4 0  9995
2 03266  98.5735 352.1664 0051789 320.1647  39.5731 14.15789541859135

Epoch: 2025-05-31T13:40Z

TLE epoch observation values (Epoch: 2025-05-31T13:40:27.259Z)

Latitude

-0.00001°

Longitude

-102.25543°

Altitude

813.801 km

Speed

7.461 km/s

True Right ascension

23h 28m 39s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

79.80036°

Longitude

134.70185°

Altitude

880.166 km

Speed

7.405 km/s

Apparent Right ascension

22h 41m 51s

Apparent Declination

35° 28' 56"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

11:38:36

Azimuth

11.842° NNE

Elevation

-13.477°

Doppler factor

Orbital elements

Apogee altitude

874.151 km

Perigee altitude

799.42 km

Semi-major axis

7,214.922 km

Eccentricity

0.00518

Inclination

98.5735°

RAAN

352.1664°

Arg. of periapsis

320.1647°

True anomaly

Unknown

Mean anomaly

39.5731°

Eccentric anomaly

Unknown

Mean motion

3.54157 °/min

Orbital period

101.65 mins

BSTAR

0.000051069

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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.
10 mins	2025-06-01 02:07:49.221Z	17.43° NNE	2025-06-01 02:12:49.221Z	142.38° SSE	43.809°	2025-06-01 02:17:49.221Z	189.123° SSW
4 mins	2025-06-01 03:50:49.221Z	316.87° NNW	2025-06-01 03:51:49.221Z	304.949° NW	14.905°	2025-06-01 03:54:49.221Z	270.398° WNW
4 mins	2025-06-01 11:54:49.221Z	82.357° E	2025-06-01 11:56:49.221Z	56.86° ENE	15.598°	2025-06-01 11:58:49.221Z	32.899° NE
8 mins	2025-06-01 13:32:49.221Z	178.527° S	2025-06-01 13:36:49.221Z	289.958° WNW	42.284°	2025-06-01 13:40:49.221Z	339.803° N
6 mins	2025-06-02 01:53:49.221Z	29.05° NE	2025-06-02 01:57:49.221Z	120.257° SE	39.396°	2025-06-02 01:59:49.221Z	164.075° S

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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

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