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RADUGA 9, 12618

Orbit data source: Space-Track

RADUGA 9, 12618 is a payload satellite owned by GUKOS (CIS) in GEO that was launched on Thu, 30 Jul 1981 UTC via a PROTON-K/DM launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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 URL

https://www.satcat.com/sats-embedded/12618?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

12618, 1981-069A

Orbit

GEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

NPO PM

Mission

Non-operational Defense Communications

Bus & Motor

RADUGA, Unknown motor

Mass

1,965 kg wet, ~1,800 kg dry

Launch date (UTC)

1981-07-30 (44 years ago)

Launch vehicle

PROTON-K/DM

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 2 Pan, 4.8 m

Radar Cross Section

16.975 m², Large (>1 m²)

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Last TLE update: 16 hours ago

TLE from 16 hours ago

0 RADUGA 9
1 12618U 81069A   25259.59830463 -.00000380  00000-0  00000-0 0  9995
2 12618   7.2407 295.8833 0002454 220.1535 167.2759  1.00296072 44609

Epoch: 2025-09-16T14:21Z

TLE epoch observation values (Epoch: 2025-09-16T14:21:33.52Z)

Latitude

3.33151°

Longitude

111.97102°

Altitude

35,789.061 km

Speed

3.074 km/s

True Right ascension

21h 32m 35s

True Declination

3° 19' 41"

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

23:14:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,791.179 km

Perigee altitude

35,770.488 km

Semi-major axis

42,158.97 km

Eccentricity

0.00025

Inclination

7.2407°

RAAN

295.8833°

Arg. of periapsis

220.1535°

True anomaly

167.28209°

Mean anomaly

167.2759°

Eccentric anomaly

167.279°

Mean motion

0.25073 °/min

Orbital period

1,435.8 mins

BSTAR

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Other satellites on launch #69 in the year 1981 (1981-07-30 UTC)

SL-12 R/B(1), 12619 (Decayed)

SL-12 PLAT, 12620 (Decayed)

SL-12 R/B(AUX MOTOR), 12633 (Decayed)

SL-12 R/B(AUX MOTOR), 12634 (Decayed)

SL-12 R/B(2), 12850

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RADUGA 9 Visibility

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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.
RADUGA 9 is likely not visible in the next few days.

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12618 neighbors

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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 RADUGA 9, 12618 on other resources

View RADUGA 9, 12618 on NASA - NSSDCA Website

View RADUGA 9, 12618 on Heavens-Above

View RADUGA 9, 12618 on Keep Track

View RADUGA 9, 12618 on Celestrak

View RADUGA 9, 12618 on Gunter's Space Page

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

RADUGA 9, 12618

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: 2025-09-16T14:21:33.52Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #69 in the year 1981 (1981-07-30 UTC)

RADUGA 9 Visibility

12618 neighbors

Co-orbital & Co-planar RSOs

Check out RADUGA 9, 12618 on other resources

Documentation

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