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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

Iframe embed code

<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

9 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 9 hours ago

0 OPS 3151
1 09803U 77007A   25196.53811103 -.00000128  00000-0  00000-0 0  9998
2 09803   5.5889 287.2286 0078080  30.4768 302.0122  0.97529596 21367

Epoch: 2025-07-15T12:54Z

TLE epoch observation values (Epoch: 2025-07-15T12:54:52.793Z)

Latitude

-2.66103°

Longitude

131.71675°

Altitude

36,395.83 km

Speed

3.059 km/s

True Right ascension

17h 16m 16s

True Declination

-2° 39' 30"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

5.34969°

Longitude

-93.11572°

Altitude

36,492.046 km

Speed

3.052 km/s

Apparent Right ascension

01h 56m 52s

Apparent Declination

0° 05' 51"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

10:38:13

Azimuth

298.513° NW

Elevation

-29.84°

Doppler factor

Orbital elements

Apogee altitude

36,909.696 km

Perigee altitude

36,238.951 km

Semi-major axis

42,952.46 km

Eccentricity

0.00781

Inclination

5.5889°

RAAN

287.2286°

Arg. of periapsis

30.4768°

True anomaly

Unknown

Mean anomaly

302.0122°

Eccentric anomaly

Unknown

Mean motion

0.24382 °/min

Orbital period

1,476.53 mins

BSTAR

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9803 neighbors

Authenticating...

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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

Observer location: undefined°, undefined°

OPS 3151 is likely not visible in the next few 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.