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COSMOS 1690, 16138

Orbit data source: Space-Track

COSMOS 1690, 16138 is a payload satellite owned by GUKOS (CIS) in LEO that was launched on Wed, 09 Oct 1985 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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Identifier
16138, 1985-094A
Orbit
LEO
Last TLE update
4 hours ago
Origin
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 kg dry
Launch date (UTC)
1985-10-09 (40 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, Large (>1 m²)

Expand to show TLE details & history

TLE from 4 hours ago
0 COSMOS 1690
1 16138U 85094A   25186.23839534  .00000005  00000-0 -30318-4 0  9999
2 16138  82.6071  83.1520 0022282   9.3998 108.4336 12.66093377836464
Epoch: 2025-07-05T05:43Z
TLE epoch observation values (Epoch: 2025-07-05T05:43:17.357Z)
Latitude
61.1312°
Longitude
-119.69319°
Altitude
1,413.812 km
Speed
7.157 km/s
True Right ascension
16h 38m 26s
True Declination
60° 59' 52"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-36.22656°
Longitude
-100.83703°
Altitude
1,426.876 km
Speed
7.14 km/s
Apparent Right ascension
14h 43m 27s
Apparent Declination
-56° 17' 40"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
21:56:12
Azimuth
225.016° WSW
Elevation
-41.808°
Doppler factor
1
Orbital elements
Apogee altitude
1,412.529 km
Perigee altitude
1,377.888 km
Semi-major axis
7,773.346 km
Eccentricity
0.00223
Inclination
82.6071°
RAAN
83.152°
Arg. of periapsis
9.3998°
True anomaly
Unknown
Mean anomaly
108.4336°
Eccentric anomaly
Unknown
Mean motion
3.16688 °/min
Orbital period
113.68 mins
BSTAR
-0.000030318
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COSMOS 1690 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.
13 mins2025-07-05 16:35:02.836Z137.558° SSE2025-07-05 16:41:02.836Z89.007° E25.453°2025-07-05 16:48:02.836Z29.166° NE
14 mins2025-07-05 18:29:02.836Z207.918° SW2025-07-05 18:36:02.836Z293.289° NW39.576°2025-07-05 18:43:02.836Z358.387° N
14 mins2025-07-06 04:29:02.836Z4.052° NNE2025-07-06 04:35:02.836Z69.982° E40.387°2025-07-06 04:43:02.836Z156.014° SSE
12 mins2025-07-06 06:24:02.836Z324.642° NNW2025-07-06 06:29:02.836Z281.158° WNW25.125°2025-07-06 06:36:02.836Z223.056° SW
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