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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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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

13 hours 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 13 hours ago

0 COSMOS 1999
1 19790U 89009F   25181.78935878  .00000006  00000-0 -27142-4 0  9991
2 19790  82.6170 191.1669 0018378 307.4069 226.0758 12.65738101680795

Epoch: 2025-06-30T18:56Z

TLE epoch observation values (Epoch: 2025-06-30T18:56:40.598Z)

Latitude

6.54227°

Longitude

167.05637°

Altitude

1,411.408 km

Speed

7.151 km/s

True Right ascension

00h 41m 16s

True Declination

6° 30' 24"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-18.59146°

Longitude

170.03241°

Altitude

1,410.629 km

Speed

7.152 km/s

Apparent Right ascension

03h 25m 36s

Apparent Declination

-40° 41' 28"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

19:59:32

Azimuth

114.509° SE

Elevation

-39.173°

Doppler factor

Orbital elements

Apogee altitude

1,410.953 km

Perigee altitude

1,382.375 km

Semi-major axis

7,774.801 km

Eccentricity

0.00184

Inclination

82.617°

RAAN

191.1669°

Arg. of periapsis

307.4069°

True anomaly

Unknown

Mean anomaly

226.0758°

Eccentric anomaly

Unknown

Mean motion

3.16599 °/min

Orbital period

113.71 mins

BSTAR

-0.000027142

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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.
15 mins	2025-07-01 11:42:26.301Z	4.872° NNE	2025-07-01 11:49:26.301Z	66.966° ENE	35.757°	2025-07-01 11:57:26.301Z	146.456° SSE
13 mins	2025-07-01 13:38:26.301Z	330.477° NNW	2025-07-01 13:44:26.301Z	272.581° WNW	30.442°	2025-07-01 13:51:26.301Z	212.994° SW
13 mins	2025-07-02 00:29:26.301Z	152.113° SSE	2025-07-02 00:35:26.301Z	90.94° ESE	35.272°	2025-07-02 00:42:26.301Z	22.078° NNE
13 mins	2025-07-02 02:24:26.301Z	228.531° WSW	2025-07-02 02:30:26.301Z	288.697° WNW	31.046°	2025-07-02 02:37:26.301Z	351.032° N

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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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