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OKEAN 1, 19274

Orbit data source: Space-Track

OKEAN 1, 19274 is a Commonwealth of Independent States-origin payload satellite in LEO that was launched on Tue, 05 Jul 1988 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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 URL

https://www.satcat.com/sats-embedded/19274?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

19274, 1988-056A

Orbit

LEO

Country

CIS

Related business

Hydrometeorological Centre of Russia (RU)

Manufacturer

Yuzhnoe

Mission

Defense Imaging

Bus & Motor

OKEAN, Unknown motor

Mass

1,944 kg wet, 1,944 kg dry

Launch date (UTC)

1988-07-05 (38 years ago)

Launch vehicle

TSIKLON-3

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cone + 2 Pan, 11.1 m

Radar Cross Section

2.079 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 OKEAN 1
1 19274U 88056A   26258.91526079  .00008504  00000-0  25033-3 0  9995
2 19274  82.4666  69.1869 0011139 211.5385 148.5192 15.34838639 64231

Epoch: 2026-09-15T21:57Z

TLE epoch observation values (Epoch: 2026-09-15T21:57:58.532Z)

Latitude

0.00004°

Longitude

104.81866°

Altitude

471.008 km

Speed

7.627 km/s

True Right ascension

04h 36m 44s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

06:13:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

465.967 km

Perigee altitude

450.736 km

Semi-major axis

6,836.488 km

Eccentricity

0.00111

Inclination

82.4666°

RAAN

69.1869°

Arg. of periapsis

211.5385°

True anomaly

148.58578°

Mean anomaly

148.5192°

Eccentric anomaly

148.5525°

Mean motion

3.83967 °/min

Orbital period

93.76 mins

BSTAR

0.00025033

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Other satellites on launch #56 in the year 1988 (1988-07-05 UTC)

OKEAN 1 DEB, 40217 (Decayed)

SL-14 R/B, 19275

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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OKEAN 1 Visibility forecast

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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.
6 mins	2026-09-16 23:33:50.346Z	341.828° N	2026-09-16 23:36:50.346Z	244.263° WSW	55.961°	2026-09-16 23:39:50.346Z	186.431° SSW
4 mins	2026-09-17 11:39:50.346Z	140.955° SSE	2026-09-17 11:41:50.346Z	78.506° E	33.096°	2026-09-17 11:43:50.346Z	33.96° NE

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out OKEAN 1, 19274 on other resources

View OKEAN 1, 19274 on NASA - NSSDCA Website

View OKEAN 1, 19274 on Heavens-Above

View OKEAN 1, 19274 on Keep Track

View OKEAN 1, 19274 on Celestrak

View OKEAN 1, 19274 on Gunter's Space Page

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

OKEAN 1, 19274

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-09-15T21:57:58.532Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #56 in the year 1988 (1988-07-05 UTC)

OKEAN 1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out OKEAN 1, 19274 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago