COSMOS 1674, 15944 (Decayed)
Orbit data source: Space-Track
COSMOS 1674, 15944 was a payload satellite owned by GRU (CIS) in LEO that was launched on Thu, 08 Aug 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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15944 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
Yuzhnoe
Mission
Decayed spacecraft
Bus & Motor
TSELINA-D, Unknown motor
Mass
1,750 kg wet, 1,750 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: 4 months ago
TLE from 4 months ago
0 COSMOS 1674
1 15944U 85069A 25150.40672955 .16682749 -12563-5 19382-3 0 9994
2 15944 82.4666 192.2523 0012787 250.8407 120.8313 16.49505940181159Epoch: 2025-05-30T09:45Z
TLE epoch observation values (Epoch: 2025-05-30T09:45:41.433Z)
Latitude
11.64479°
Longitude
159.22046°
Altitude
147.406 km
Speed
7.816 km/s
True Right ascension
12h 55m 13s
True Declination
11° 34' 14"
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
12:42:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
145.77 km
Perigee altitude
129.107 km
Semi-major axis
6,515.575 km
Eccentricity
0.00128
Inclination
82.4666°
RAAN
192.2523°
Arg. of periapsis
250.8407°
True anomaly
120.95702°
Mean anomaly
120.8313°
Eccentric anomaly
120.89417°
Mean motion
4.12681 °/min
Orbital period
87.23 mins
BSTAR
0.00019382
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Other satellites on launch #69 in the year 1985 (1985-08-08 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 1674 Visibility
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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. |
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| This satellite is decayed. |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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