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COSMOS 1999, 19790

Orbit data source: Space-Track

COSMOS 1999, 19790 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 10 Feb 1989 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 src="https://www.satcat.com/sats-embedded/19790?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/19790?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

19790, 1989-009F

Orbit

LEO

Last TLE update

1 day ago

Origin

Russian Space Forces (CIS)

Manufacturer

NPO PM

Mission

Defense Communications

Bus & Motor

STRELA-3, Unknown motor

Mass

225 kg wet, 225 kg dry

Launch date (UTC)

1989-02-10 (36 years ago)

Launch vehicle

TSIKLON-3

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.6 m

Radar Cross Section

1.257 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 1 day ago

0 COSMOS 1999
1 19790U 89009F   25195.70138978  .00000011  00000-0  31269-5 0  9995
2 19790  82.6178 182.2834 0018124 273.7938 260.3076 12.65738530682553

Epoch: 2025-07-14T16:50Z

TLE epoch observation values (Epoch: 2025-07-14T16:50:00.076Z)

Latitude

5.9783°

Longitude

176.20304°

Altitude

1,403.907 km

Speed

7.157 km/s

True Right ascension

00h 06m 02s

True Declination

5° 56' 45"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

6.19285°

Longitude

175.46843°

Altitude

1,403.332 km

Speed

7.158 km/s

Apparent Right ascension

22h 31m 03s

Apparent Declination

-16° 25' 42"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

07:58:35

Azimuth

294.297° NW

Elevation

-49.487°

Doppler factor

Orbital elements

Apogee altitude

1,410.753 km

Perigee altitude

1,382.571 km

Semi-major axis

7,774.799 km

Eccentricity

0.00181

Inclination

82.6178°

RAAN

182.2834°

Arg. of periapsis

273.7938°

True anomaly

Unknown

Mean anomaly

260.3076°

Eccentric anomaly

Unknown

Mean motion

3.16599 °/min

Orbital period

113.71 mins

BSTAR

0.0000031269

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Other satellites on launch #9 in the year 1989 (1989-02-10 UTC)

COSMOS 1999 Visibility forecast

Observer location: undefined°, undefined°

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.
12 mins	2025-07-15 22:22:28.669Z	133.943° SE	2025-07-15 22:28:28.669Z	87.049° E	23.697°	2025-07-15 22:34:28.669Z	34.978° NE
14 mins	2025-07-16 00:16:28.669Z	204.04° SW	2025-07-16 00:22:28.669Z	266.044° W	41.319°	2025-07-16 00:30:28.669Z	0.195° NNE
14 mins	2025-07-16 10:16:28.669Z	5.599° NNE	2025-07-16 10:22:28.669Z	66.786° ENE	38.57°	2025-07-16 10:30:28.669Z	152.028° SSE
12 mins	2025-07-16 12:11:28.669Z	327.416° NNW	2025-07-16 12:17:28.669Z	271.768° WNW	27.153°	2025-07-16 12:23:28.669Z	221.168° SW

Authenticating...

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Check out COSMOS 1999, 19790 on other resources

View COSMOS 1999, 19790 on NASA - NSSDCA Website

View COSMOS 1999, 19790 on Heavens-Above

View COSMOS 1999, 19790 on Keep Track

View COSMOS 1999, 19790 on Celestrak

View COSMOS 1999, 19790 on Gunter's Space Page

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