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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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: 2 days ago
TLE from 2 days ago
0 COSMOS 1690
1 16138U 85094A 26171.44183155 .00000001 00000-0 -52802-4 0 9996
2 16138 82.6065 218.9781 0020426 287.4608 84.4060 12.66106410880402Epoch: 2026-06-20T10:36Z
TLE epoch observation values (Epoch: 2026-06-20T10:36:14.245Z)
Latitude
11.95739°
Longitude
152.82929°
Altitude
1,398.311 km
Speed
7.162 km/s
True Right ascension
14h 42m 10s
True Declination
11° 53' 37"
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
00:50:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,411.033 km
Perigee altitude
1,379.278 km
Semi-major axis
7,773.292 km
Eccentricity
0.00204
Inclination
82.6065°
RAAN
218.9781°
Arg. of periapsis
287.4608°
True anomaly
84.63901°
Mean anomaly
84.406°
Eccentric anomaly
84.5225°
Mean motion
3.16691 °/min
Orbital period
113.68 mins
BSTAR
-0.000052802
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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 | 2026-06-22 14:21:21.752Z | 1.634° NNE | 2026-06-22 14:28:21.752Z | 68.066° E | 40.012° | 2026-06-22 14:36:21.752Z | 155.117° SSE |
| 12 mins | 2026-06-22 16:17:21.752Z | 325.371° NNW | 2026-06-22 16:22:21.752Z | 282.165° WNW | 25.513° | 2026-06-22 16:29:21.752Z | 222.82° SW |
| 14 mins | 2026-06-23 03:07:21.752Z | 162.516° S | 2026-06-23 03:14:21.752Z | 79.679° E | 39.521° | 2026-06-23 03:21:21.752Z | 17.063° NNE |
| 12 mins | 2026-06-23 05:03:21.752Z | 238.097° WSW | 2026-06-23 05:09:21.752Z | 294.48° NW | 26.524° | 2026-06-23 05:15:21.752Z | 345.49° N |
| 10 mins | 2026-06-23 13:08:21.752Z | 27.668° NE | 2026-06-23 13:13:21.752Z | 70.54° E | 20.079° | 2026-06-23 13:18:21.752Z | 109.957° ESE |
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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