COSMOS 1827, 17582
Orbit data source: Space-Track
COSMOS 1827, 17582 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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17582 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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 COSMOS 1827
1 17582U 87026A 26052.94006565 .00000022 00000-0 62773-4 0 9999
2 17582 82.5648 266.0721 0012885 60.3533 299.8841 12.65013476798073Epoch: 2026-02-21T22:33Z
TLE epoch observation values (Epoch: 2026-02-21T22:33:41.672Z)
Latitude
-0.00002°
Longitude
135.79302°
Altitude
1,400.067 km
Speed
7.162 km/s
True Right ascension
17h 44m 17s
True Declination
0° 00' 00"
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
10:28:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,409.658 km
Perigee altitude
1,389.615 km
Semi-major axis
7,777.774 km
Eccentricity
0.00129
Inclination
82.5648°
RAAN
266.0721°
Arg. of periapsis
60.3533°
True anomaly
299.75598°
Mean anomaly
299.8841°
Eccentric anomaly
299.82005°
Mean motion
3.16417 °/min
Orbital period
113.77 mins
BSTAR
0.000062773
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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 1827 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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2026-02-22 13:50:32.725Z | 148.813° SSE | 2026-02-22 13:57:32.725Z | 84.546° E | 31.755° | 2026-02-22 14:04:32.725Z | 23.588° NE |
| 14 mins | 2026-02-22 15:45:32.725Z | 219.85° SW | 2026-02-22 15:51:32.725Z | 276.883° WNW | 34.116° | 2026-02-22 15:59:32.725Z | 354.642° N |
| 6 mins | 2026-02-22 23:53:32.725Z | 42.512° NE | 2026-02-22 23:55:32.725Z | 57.999° ENE | 13.794° | 2026-02-22 23:59:32.725Z | 88.166° E |
| 14 mins | 2026-02-23 01:45:32.725Z | 356.876° N | 2026-02-23 01:52:32.725Z | 110.718° ESE | 43.999° | 2026-02-23 01:59:32.725Z | 167.101° S |
| 9 mins | 2026-02-23 03:41:32.725Z | 316.106° NNW | 2026-02-23 03:45:32.725Z | 283.526° WNW | 19.108° | 2026-02-23 03:50:32.725Z | 242.46° WSW |
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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