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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3158 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
TSKBM/KB1
Mission
Spacecraft
Bus & Motor
US-A REACTOR, Unknown motor
Mass
3,800 kg wet, 1,140 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 COSMOS 209
1 03158U 68023A 25293.89298237 -.00000017 00000-0 50827-4 0 9990
2 03158 65.3297 101.1410 0043673 323.0358 36.7705 13.97912642937568Epoch: 2025-10-20T21:25Z
TLE epoch observation values (Epoch: 2025-10-20T21:25:53.676Z)
Latitude
0.00001°
Longitude
110.07859°
Altitude
877.582 km
Speed
7.427 km/s
True Right ascension
06h 44m 33s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
00:15:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
931.377 km
Perigee altitude
867.809 km
Semi-major axis
7,277.73 km
Eccentricity
0.00437
Inclination
65.3297°
RAAN
101.141°
Arg. of periapsis
323.0358°
True anomaly
37.07139°
Mean anomaly
36.7705°
Eccentric anomaly
36.92081°
Mean motion
3.49582 °/min
Orbital period
102.98 mins
BSTAR
0.000050827
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Other satellites on launch #23 in the year 1968 (1968-03-22 UTC)
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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.COSMOS 209 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-10-21 13:00:55.013Z | 208.319° SW | 2025-10-21 13:05:55.013Z | 60.445° ENE | 44.92° | 2025-10-21 13:10:55.013Z | 31.704° NE |
| 6 mins | 2025-10-21 14:49:55.013Z | 287.75° WNW | 2025-10-21 14:52:55.013Z | 323.568° NNW | 18.053° | 2025-10-21 14:55:55.013Z | 357.206° N |
| 7 mins | 2025-10-21 20:16:55.013Z | 3.077° NNE | 2025-10-21 20:19:55.013Z | 37.326° NE | 19.353° | 2025-10-21 20:23:55.013Z | 82.613° E |
| 11 mins | 2025-10-21 22:01:55.013Z | 326.997° NNW | 2025-10-21 22:06:55.013Z | 259.906° W | 44.778° | 2025-10-21 22:12:55.013Z | 153.912° SSE |
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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