COSMOS 1830, 17585
Orbit data source: Space-Track
COSMOS 1830, 17585 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 13 Mar 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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17585 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: 16 hours ago
TLE from 16 hours ago
0 COSMOS 1830
1 17585U 87026D 26052.65669146 .00000019 00000-0 48499-4 0 9995
2 17585 82.5584 280.0917 0005650 125.3058 289.3954 12.63615907796054Epoch: 2026-02-21T15:45Z
TLE epoch observation values (Epoch: 2026-02-21T15:45:38.142Z)
Latitude
54.05769°
Longitude
-97.56621°
Altitude
1,415.421 km
Speed
7.159 km/s
True Right ascension
19h 21m 40s
True Declination
53° 54' 29"
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
10:27:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,409.772 km
Perigee altitude
1,400.977 km
Semi-major axis
7,783.512 km
Eccentricity
0.00057
Inclination
82.5584°
RAAN
280.0917°
Arg. of periapsis
125.3058°
True anomaly
289.33432°
Mean anomaly
289.3954°
Eccentric anomaly
289.36486°
Mean motion
3.16067 °/min
Orbital period
113.9 mins
BSTAR
0.000048499
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Other satellites on launch #26 in the year 1987 (1987-03-13 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 1830 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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-02-22 14:23:22.497Z | 132.826° SE | 2026-02-22 14:29:22.497Z | 82.245° E | 24.465° | 2026-02-22 14:35:22.497Z | 32.294° NE |
| 14 mins | 2026-02-22 16:17:22.497Z | 206.295° SW | 2026-02-22 16:23:22.497Z | 274.576° WNW | 40.919° | 2026-02-22 16:31:22.497Z | 0.179° NNE |
| 16 mins | 2026-02-23 02:16:22.497Z | 0.218° NNE | 2026-02-23 02:24:22.497Z | 75.193° E | 39.715° | 2026-02-23 02:32:22.497Z | 154.79° SSE |
| 12 mins | 2026-02-23 04:13:22.497Z | 325.574° NNW | 2026-02-23 04:18:22.497Z | 281.922° WNW | 25.827° | 2026-02-23 04:25:22.497Z | 222.055° SW |
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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