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OPS 4029, 12930

Orbit data source: Space-Track

OPS 4029, 12930 is an American payload satellite in GEO that was launched on Sat, 31 Oct 1981 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/12930?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/12930?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

12930, 1981-107A

Orbit

GEO

Last TLE update

21 hours ago

Origin

National Reconnaissance Office (US)

Manufacturer

TRW

Mission

Defense Sigint

Bus & Motor

VORTEX, Unknown motor

Mass

~1,000 kg wet, ~900 kg dry

Launch date (UTC)

1981-10-31 (44 years ago)

Launch vehicle

TITAN IIIC

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 2 Pan + 1 Dish, Unknown HBR

Radar Cross Section

13.824 m²

Expand to show TLE details & history

TLE from 21 hours ago

0 OPS 4029
1 12930U 81107A   25121.81383812 -.00000172  00000-0  00000-0 0  9998
2 12930   5.5543 357.9709 1028267  40.2057 104.6566  1.00293428  3744

Epoch: 2025-05-01T19:31Z

Definitive object data (Epoch: 2025-05-01T19:31:55.613Z)

Latitude

2.25261°

Longitude

1.00605°

Altitude

37,281.813 km

Speed

2.967 km/s

True Right ascension

10h 15m 52s

True Declination

2° 15' 01"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

4.89097°

Longitude

-36.66602°

Altitude

34,449.598 km

Speed

3.174 km/s

Apparent Right ascension

08h 10m 39s

Apparent Declination

0° 48' 11"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

00:38:58

Azimuth

75.444° E

Elevation

-17.92°

Doppler factor

Orbital elements

Apogee altitude

40,116.748 km

Perigee altitude

31,446.454 km

Semi-major axis

42,159.738 km

Eccentricity

0.1028267

Inclination

5.5543°

RAAN

357.9709°

Arg. of periapsis

40.2057°

True anomaly

115.6296°

Mean anomaly

104.6566°

Eccentric anomaly

110.18625°

Mean motion

0.25072 °/min

BSTAR

Unknown

Orbital period

1435.84 mins

Loading historical data...

12930 neighbors

Authenticating...

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Other satellites on launch #107 in the year 1981 (1981-10-31 UTC)

TITAN 3C R/B(1), 12931 (Decayed)

TITAN 3C TRANSTAGE R/B, 12932

OPS 4029 Visibility forecast

Observer location: undefined°, undefined°

OPS 4029 is not visible in the next 10 days

Authenticating...

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Check out OPS 4029, 12930 on other resources

View OPS 4029, 12930 on NASA - NSSDCA Website

View OPS 4029, 12930 on Heavens-Above

View OPS 4029, 12930 on Keep Track

View OPS 4029, 12930 on Celestrak

View OPS 4029, 12930 on Gunter's Space Page

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