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: 10 hours ago
TLE from 10 hours ago
0 COSMOS 1690
1 16138U 85094A 26037.21489985 .00000045 00000-0 18103-3 0 9994
2 16138 82.6097 304.9069 0020815 232.4869 282.6870 12.66102000863417Epoch: 2026-02-06T05:09Z
TLE epoch observation values (Epoch: 2026-02-06T05:09:27.347Z)
Latitude
24.86229°
Longitude
-92.2417°
Altitude
1,397.204 km
Speed
7.165 km/s
True Right ascension
08h 05m 54s
True Declination
24° 44' 32"
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
17:09:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,411.354 km
Perigee altitude
1,378.993 km
Semi-major axis
7,773.31 km
Eccentricity
0.00208
Inclination
82.6097°
RAAN
304.9069°
Arg. of periapsis
232.4869°
True anomaly
282.45417°
Mean anomaly
282.687°
Eccentric anomaly
282.5706°
Mean motion
3.1669 °/min
Orbital period
113.68 mins
BSTAR
0.00018103
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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 | 2026-02-06 17:41:55.862Z | 158.549° S | 2026-02-06 17:49:55.862Z | 81.243° E | 36.343° | 2026-02-06 17:56:55.862Z | 19.876° NNE |
| 13 mins | 2026-02-06 19:37:55.862Z | 228.102° WSW | 2026-02-06 19:43:55.862Z | 281.82° WNW | 30.028° | 2026-02-06 19:50:55.862Z | 348.202° N |
| 9 mins | 2026-02-07 03:43:55.862Z | 29.983° NE | 2026-02-07 03:47:55.862Z | 61.763° ENE | 17.055° | 2026-02-07 03:52:55.862Z | 100.923° ESE |
| 15 mins | 2026-02-07 05:36:55.862Z | 352.281° N | 2026-02-07 05:43:55.862Z | 267.575° W | 44.997° | 2026-02-07 05:51:55.862Z | 175.319° S |
| 7 mins | 2026-02-07 07:33:55.862Z | 309.242° NW | 2026-02-07 07:36:55.862Z | 285.972° WNW | 15.407° | 2026-02-07 07:40:55.862Z | 254.586° W |
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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