COSMOS 1561, 15000
Orbit data source: Space-Track
COSMOS 1561, 15000 is a payload satellite owned by GUKOS (CIS) in LEO that was launched on Mon, 28 May 1984 UTC via a KOSMOS 11K65M 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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15000 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Spacecraft
Bus & Motor
STRELA-1 11F625, Unknown motor
Mass
60 kg wet, 60 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 2 hours ago
TLE from 2 hours ago
0 COSMOS 1561
1 15000U 84052C 25290.19624978 -.00000004 00000-0 78205-4 0 9990
2 15000 74.0156 352.9844 0015887 257.9346 131.5523 12.47986601885422Epoch: 2025-10-17T04:42Z
TLE epoch observation values (Epoch: 2025-10-17T04:42:35.980Z)
Latitude
28.41732°
Longitude
-94.73811°
Altitude
1,484.233 km
Speed
7.12 km/s
True Right ascension
00h 07m 25s
True Declination
28° 17' 13"
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
01:53:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,483.236 km
Perigee altitude
1,458.297 km
Semi-major axis
7,848.903 km
Eccentricity
0.00159
Inclination
74.0156°
RAAN
352.9844°
Arg. of periapsis
257.9346°
True anomaly
131.68836°
Mean anomaly
131.5523°
Eccentric anomaly
131.62035°
Mean motion
3.12126 °/min
Orbital period
115.34 mins
BSTAR
0.000078205
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Other satellites on launch #52 in the year 1984 (1984-05-28 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 1561 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 | 2025-10-17 14:46:03.229Z | 354.19° N | 2025-10-17 14:53:03.229Z | 58.697° ENE | 35.66° | 2025-10-17 15:01:03.229Z | 132.803° SE |
| 14 mins | 2025-10-17 16:44:03.229Z | 323.663° NNW | 2025-10-17 16:51:03.229Z | 259.474° W | 32.822° | 2025-10-17 16:58:03.229Z | 199.262° SSW |
| 10 mins | 2025-10-18 03:46:03.229Z | 127.245° SE | 2025-10-18 03:51:03.229Z | 86.777° E | 20.015° | 2025-10-18 03:56:03.229Z | 49.598° ENE |
| 16 mins | 2025-10-18 05:40:03.229Z | 204.44° SW | 2025-10-18 05:47:03.229Z | 271.201° WNW | 44.282° | 2025-10-18 05:56:03.229Z | 16.857° NNE |
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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