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COSMOS 203, 3129

Orbit data source: Space-Track

COSMOS 203, 3129 is a payload satellite owned by OKB-10 (CIS) in LEO that was launched on Tue, 20 Feb 1968 UTC via a KOSMOS 11K65M 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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Identifier
3129, 1968-011A
Orbit
LEO
Last TLE update
12 hours ago
Origin
Manufacturer
OKB-10
Mission
Defense Geodetic
Bus & Motor
KAUR-1 11F621, Unknown motor
Mass
800 kg wet, 800 kg dry
Launch date (UTC)
1968-02-20 (57 years ago)
Launch vehicle
KOSMOS 11K65M
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl + 1 Rod, 8.5 m
Radar Cross Section
6.283 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 12 hours ago
0 COSMOS 203
1 03129U 68011A   25199.48251274  .00000055  00000-0  18985-3 0  9994
2 03129  74.0495 235.0596 0011730 142.0765 327.2774 13.18292267762001
Epoch: 2025-07-18T11:34Z
TLE epoch observation values (Epoch: 2025-07-18T11:34:49.1Z)
Latitude
65.2647°
Longitude
-93.29363°
Altitude
1,194.688 km
Speed
7.266 km/s
True Right ascension
01h 07m 46s
True Declination
65° 08' 29"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-69.50784°
Longitude
74.53956°
Altitude
1,223.916 km
Speed
7.239 km/s
Apparent Right ascension
00h 00m 52s
Apparent Declination
-78° 41' 11"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
12:10:47
Azimuth
179.223° S
Elevation
-51.217°
Doppler factor
1
Orbital elements
Apogee altitude
1,197.881 km
Perigee altitude
1,180.129 km
Semi-major axis
7,567.142 km
Eccentricity
0.00117
Inclination
74.0495°
RAAN
235.0596°
Arg. of periapsis
142.0765°
True anomaly
327.20465°
Mean anomaly
327.2774°
Eccentric anomaly
327.24103°
Mean motion
3.2972 °/min
Orbital period
109.18 mins
BSTAR
0.00018985
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Other satellites on launch #11 in the year 1968 (1968-02-20 UTC)
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