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
Defense Communications
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
Sphere, 0.4 m
Radar Cross Section
0.588 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 COSMOS 1561
1 15000U 84052C 25258.54364736 -.00000011 00000-0 36634-4 0 9994
2 15000 74.0138 34.9280 0015643 303.5417 126.0471 12.47985963881472Epoch: 2025-09-15T13:02Z
TLE epoch observation values (Epoch: 2025-09-15T13:02:51.131Z)
Latitude
64.48845°
Longitude
-118.84953°
Altitude
1,490.922 km
Speed
7.121 km/s
True Right ascension
04h 46m 26s
True Declination
64° 22' 01"
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
13:30:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,483.047 km
Perigee altitude
1,458.491 km
Semi-major axis
7,848.906 km
Eccentricity
0.00156
Inclination
74.0138°
RAAN
34.928°
Arg. of periapsis
303.5417°
True anomaly
126.19187°
Mean anomaly
126.0471°
Eccentric anomaly
126.1195°
Mean motion
3.12126 °/min
Orbital period
115.34 mins
BSTAR
0.000036634
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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. |
|---|---|---|---|---|---|---|---|
| 16 mins | 2025-09-15 20:59:10.867Z | 334.952° NNW | 2025-09-15 21:07:10.867Z | 246.962° WSW | 42.699° | 2025-09-15 21:15:10.867Z | 176.579° S |
| 16 mins | 2025-09-16 09:55:10.867Z | 182.551° SSW | 2025-09-16 10:03:10.867Z | 102.614° ESE | 42.531° | 2025-09-16 10:11:10.867Z | 24.984° NE |
| 12 mins | 2025-09-16 11:56:10.867Z | 256.457° W | 2025-09-16 12:01:10.867Z | 300.079° NW | 25.852° | 2025-09-16 12:08:10.867Z | 358.821° N |
| 8 mins | 2025-09-16 18:08:10.867Z | 19.957° NNE | 2025-09-16 18:11:10.867Z | 42.293° NE | 15.502° | 2025-09-16 18:16:10.867Z | 78.521° E |
| 15 mins | 2025-09-16 20:04:10.867Z | 347.514° N | 2025-09-16 20:11:10.867Z | 69.259° E | 43.109° | 2025-09-16 20:19:10.867Z | 150.926° SSE |
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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