COSMOS 1875, 18334
Orbit data source: Space-Track
COSMOS 1875, 18334 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Mon, 07 Sep 1987 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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18334 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 0.8 m
Radar Cross Section
1.257 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 COSMOS 1875
1 18334U 87074A 26061.80200131 .00000031 00000-0 10704-3 0 9994
2 18334 82.5726 326.4976 0013353 357.1185 71.8431 12.66340309778609Epoch: 2026-03-02T19:14Z
TLE epoch observation values (Epoch: 2026-03-02T19:14:52.913Z)
Latitude
67.95705°
Longitude
-104.1275°
Altitude
1,405.396 km
Speed
7.165 km/s
True Right ascension
23h 00m 43s
True Declination
67° 50' 50"
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
07:10:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,404.577 km
Perigee altitude
1,383.82 km
Semi-major axis
7,772.336 km
Eccentricity
0.00134
Inclination
82.5726°
RAAN
326.4976°
Arg. of periapsis
357.1185°
True anomaly
71.98857°
Mean anomaly
71.8431°
Eccentric anomaly
71.91583°
Mean motion
3.16749 °/min
Orbital period
113.65 mins
BSTAR
0.00010704
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Other satellites on launch #74 in the year 1987 (1987-09-07 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 1875 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 | 2026-03-03 04:58:29.123Z | 0.88° NNE | 2026-03-03 05:05:29.123Z | 69.962° E | 40.878° | 2026-03-03 05:13:29.123Z | 157.169° SSE |
| 11 mins | 2026-03-03 06:54:29.123Z | 323.92° NNW | 2026-03-03 06:59:29.123Z | 280.607° WNW | 24.462° | 2026-03-03 07:05:29.123Z | 228.369° WSW |
| 14 mins | 2026-03-03 17:44:29.123Z | 164.199° S | 2026-03-03 17:50:29.123Z | 103.693° ESE | 40.232° | 2026-03-03 17:58:29.123Z | 15.997° NNE |
| 12 mins | 2026-03-03 19:40:29.123Z | 240.256° WSW | 2026-03-03 19:46:29.123Z | 296.262° NW | 25.356° | 2026-03-03 19:52:29.123Z | 345.788° N |
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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