COSMOS 1829, 17584
Orbit data source: Space-Track
COSMOS 1829, 17584 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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17584 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: 12 hours ago
TLE from 12 hours ago
0 COSMOS 1829
1 17584U 87026C 26142.72413968 .00000036 00000-0 14100-3 0 9991
2 17584 82.5715 248.9035 0000720 74.0200 286.0971 12.62720647806192Epoch: 2026-05-22T17:22Z
TLE epoch observation values (Epoch: 2026-05-22T17:22:45.668Z)
Latitude
0.00003°
Longitude
107.86234°
Altitude
1,414.31 km
Speed
7.153 km/s
True Right ascension
16h 35m 36s
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
14:48:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,409.616 km
Perigee altitude
1,408.495 km
Semi-major axis
7,787.192 km
Eccentricity
0.00007
Inclination
82.5715°
RAAN
248.9035°
Arg. of periapsis
74.02°
True anomaly
286.08917°
Mean anomaly
286.0971°
Eccentric anomaly
286.09314°
Mean motion
3.15843 °/min
Orbital period
113.98 mins
BSTAR
0.000141
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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 1829 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 | 2026-05-23 06:46:52.319Z | 149.292° SSE | 2026-05-23 06:53:52.319Z | 89.714° E | 31.547° | 2026-05-23 07:00:52.319Z | 25.116° NE |
| 13 mins | 2026-05-23 08:42:52.319Z | 221.249° SW | 2026-05-23 08:48:52.319Z | 284.924° WNW | 34.749° | 2026-05-23 08:55:52.319Z | 352.915° N |
| 6 mins | 2026-05-23 16:50:52.319Z | 39.043° NE | 2026-05-23 16:53:52.319Z | 62.094° ENE | 13.955° | 2026-05-23 16:56:52.319Z | 84.805° E |
| 15 mins | 2026-05-23 18:42:52.319Z | 356.05° N | 2026-05-23 18:49:52.319Z | 61.988° ENE | 44.162° | 2026-05-23 18:57:52.319Z | 167.464° S |
| 9 mins | 2026-05-23 20:39:52.319Z | 315.384° NNW | 2026-05-23 20:43:52.319Z | 282.646° WNW | 19.176° | 2026-05-23 20:48:52.319Z | 242.068° WSW |
| 4 mins | 2026-05-24 05:41:52.319Z | 90.621° ESE | 2026-05-24 05:43:52.319Z | 75.596° E | 12.696° | 2026-05-24 05:45:52.319Z | 60.558° ENE |
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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