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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16138 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Spacecraft
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 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: 16 hours ago
TLE from 16 hours ago
0 COSMOS 1690
1 16138U 85094A 25349.34190123 .00000034 00000-0 12310-3 0 9998
2 16138 82.6079 338.7461 0021802 357.3647 125.2930 12.66100639856727Epoch: 2025-12-15T08:12Z
TLE epoch observation values (Epoch: 2025-12-15T08:12:20.266Z)
Latitude
56.49983°
Longitude
-59.8274°
Altitude
1,417.073 km
Speed
7.153 km/s
True Right ascension
09h 49m 59s
True Declination
56° 21' 17"
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
23:06:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,412.126 km
Perigee altitude
1,378.232 km
Semi-major axis
7,773.316 km
Eccentricity
0.00218
Inclination
82.6079°
RAAN
338.7461°
Arg. of periapsis
357.3647°
True anomaly
125.49659°
Mean anomaly
125.293°
Eccentric anomaly
125.39483°
Mean motion
3.1669 °/min
Orbital period
113.68 mins
BSTAR
0.0001231
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Other satellites on launch #94 in the year 1985 (1985-10-09 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 1690 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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2025-12-16 00:43:04.152Z | 203.58° SW | 2025-12-16 00:51:04.152Z | 293.013° NW | 40.436° | 2025-12-16 00:58:04.152Z | 359.087° N |
| 14 mins | 2025-12-16 10:44:04.152Z | 4.901° NNE | 2025-12-16 10:50:04.152Z | 68.86° E | 39.551° | 2025-12-16 10:58:04.152Z | 154.097° SSE |
| 12 mins | 2025-12-16 12:39:04.152Z | 325.792° NNW | 2025-12-16 12:44:04.152Z | 282.162° WNW | 26.096° | 2025-12-16 12:51:04.152Z | 222.014° SW |
| 14 mins | 2025-12-16 23:29:04.152Z | 161.807° S | 2025-12-16 23:36:04.152Z | 82.407° E | 39.005° | 2025-12-16 23:43:04.152Z | 17.64° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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