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COSMOS 209, 3158

Orbit data source: Space-Track

COSMOS 209, 3158 is a payload satellite owned by TSKBM (CIS) in LEO that was launched on Fri, 22 Mar 1968 UTC via a TSIKLON-2A 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.

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https://www.satcat.com/sats-embedded/3158?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

3158, 1968-023A

Orbit

LEO

Country

CIS

Related business

Machine Building Special Design Bureau (RU)

Manufacturer

TSKBM/KB1

Mission

Defense Sigint

Bus & Motor

US-A REACTOR, Unknown motor

Mass

3,800 kg wet, 1,140 kg dry

Launch date (UTC)

1968-03-22 (57 years ago)

Launch vehicle

TSIKLON-2A

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 2.9 m

Radar Cross Section

6.586 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 COSMOS 209
1 03158U 68023A   25242.66951400 -.00000045  00000-0  31369-4 0  9998
2 03158  65.3297 235.2283 0039432 340.6195  19.3374 13.97906851930407

Epoch: 2025-08-30T16:04Z

TLE epoch observation values (Epoch: 2025-08-30T16:04:06.009Z)

Latitude

0.00004°

Longitude

15.10279°

Altitude

875.946 km

Speed

7.429 km/s

True Right ascension

15h 40m 54s

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

19:16:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

928.311 km

Perigee altitude

870.915 km

Semi-major axis

7,277.75 km

Eccentricity

0.00394

Inclination

65.3297°

RAAN

235.2283°

Arg. of periapsis

340.6195°

True anomaly

19.48772°

Mean anomaly

19.3374°

Eccentric anomaly

19.41249°

Mean motion

3.49581 °/min

Orbital period

102.98 mins

BSTAR

0.000031369

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Other satellites on launch #23 in the year 1968 (1968-03-22 UTC)

COSMOS 209 DEB (ANTENNA), 3161 (Decayed)

COSMOS 209 DEB (PELPS), 3162 (Decayed)

COSMOS 209 DEB, 3160 (Decayed)

COSMOS 209 DEB, 3165 (Decayed)

COSMOS 209 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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.
5 mins	2025-08-31 08:01:56.652Z	7.769° NNE	2025-08-31 08:04:56.652Z	37.767° NE	12.362°	2025-08-31 08:06:56.652Z	57.334° ENE
9 mins	2025-08-31 09:47:56.652Z	343.752° N	2025-08-31 09:51:56.652Z	54.337° ENE	39.167°	2025-08-31 09:56:56.652Z	128.936° SE
8 mins	2025-08-31 11:33:56.652Z	296.185° NW	2025-08-31 11:37:56.652Z	246.669° WSW	22.8°	2025-08-31 11:41:56.652Z	202.107° SSW
10 mins	2025-09-01 00:48:56.652Z	193.808° SSW	2025-09-01 00:53:56.652Z	100.89° ESE	41.344°	2025-09-01 00:58:56.652Z	38.438° NE
7 mins	2025-09-01 02:36:56.652Z	273.894° WNW	2025-09-01 02:39:56.652Z	312.577° NW	22.515°	2025-09-01 02:43:56.652Z	2.649° NNE