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OPS 3151, 9803

Orbit data source: Space-Track

OPS 3151, 9803 is a payload satellite owned by SAMSO (US) in GEO that was launched on Sun, 06 Feb 1977 UTC via a TITAN IIIC launch vehicle from the Air Force Eastern Test Range (AFETR). 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.

Not visible in the next 10 days

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<iframe src="https://www.satcat.com/sats-embedded/9803?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/9803?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

9803, 1977-007A

Orbit

GEO

Last TLE update

15 hours ago

Origin

USAF Space and Missile Systems Organization (US)

Manufacturer

TRW

Mission

Defense Early Warn

Bus & Motor

DSP P2, MRE-4

Mass

1,040 kg wet, ~980 kg dry

Launch date (UTC)

1977-02-06 (48 years ago)

Launch vehicle

TITAN IIIC

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 4 Pan, Unknown HBR

Radar Cross Section

27.525 m²

Expand to show TLE details & history

TLE from 15 hours ago

0 OPS 3151
1 09803U 77007A   25133.67183289 -.00000068  00000-0  00000-0 0  9994
2 09803   5.7488 287.8407 0079422  29.7212 189.0572  0.97529680 20759

Epoch: 2025-05-13T16:07Z

Definitive object data (Epoch: 2025-05-13T16:07:26.361Z)

Latitude

-3.60814°

Longitude

32.78566°

Altitude

36,908.378 km

Speed

3.023 km/s

True Right ascension

09h 45m 15s

True Declination

-3° 36' 17"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

5.6976°

Longitude

-105.25981°

Altitude

36,356.143 km

Speed

3.062 km/s

Apparent Right ascension

00h 51m 03s

Apparent Declination

0° 12' 31"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

15:42:34

Azimuth

55.199° ENE

Elevation

-34.033°

Doppler factor

Orbital elements

Apogee altitude

36,915.435 km

Perigee altitude

36,233.161 km

Semi-major axis

42,952.435 km

Eccentricity

0.0079422

Inclination

5.7488°

RAAN

287.8407°

Arg. of periapsis

29.7212°

True anomaly

188.91532°

Mean anomaly

189.0572°

Eccentric anomaly

188.98612°

Mean motion

0.24382 °/min

BSTAR

Unknown

Orbital period

1476.53 mins

Loading historical data...

9803 neighbors

Authenticating...

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Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #7 in the year 1977 (1977-02-06 UTC)

TITAN 3C R/B(1), 9808 (Decayed)

TITAN 3C TRANSTAGE R/B, 9855

OPS 3151 DEB, 9856

OPS 3151 Visibility forecast

Observer location: undefined°, undefined°

OPS 3151 is not visible in the next 10 days

Authenticating...

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Check out OPS 3151, 9803 on other resources

View OPS 3151, 9803 on NASA - NSSDCA Website

View OPS 3151, 9803 on Heavens-Above

View OPS 3151, 9803 on Keep Track

View OPS 3151, 9803 on Celestrak

View OPS 3151, 9803 on Gunter's Space Page

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