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: 6 hours ago
TLE from 6 hours ago
0 COSMOS 1561
1 15000U 84052C 25299.84699102 -.00000010 00000-0 40893-4 0 9991
2 15000 74.0139 340.1949 0015865 244.1312 289.3118 12.47986915886628Epoch: 2025-10-26T20:19Z
TLE epoch observation values (Epoch: 2025-10-26T20:19:40.024Z)
Latitude
6.40248°
Longitude
177.98767°
Altitude
1,470.601 km
Speed
7.13 km/s
True Right ascension
10h 33m 26s
True Declination
6° 22' 05"
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
22:01:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,483.217 km
Perigee altitude
1,458.313 km
Semi-major axis
7,848.902 km
Eccentricity
0.00159
Inclination
74.0139°
RAAN
340.1949°
Arg. of periapsis
244.1312°
True anomaly
289.14012°
Mean anomaly
289.3118°
Eccentric anomaly
289.22597°
Mean motion
3.12126 °/min
Orbital period
115.34 mins
BSTAR
0.000040893
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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 | 2025-10-27 03:10:53.963Z | 166.148° S | 2025-10-27 03:17:53.963Z | 107.774° ESE | 35.289° | 2025-10-27 03:25:53.963Z | 32.35° NE |
| 14 mins | 2025-10-27 05:09:53.963Z | 237.226° WSW | 2025-10-27 05:15:53.963Z | 294.556° NW | 33.406° | 2025-10-27 05:23:53.963Z | 6.175° NNE |
| 15 mins | 2025-10-27 13:18:53.963Z | 353.678° N | 2025-10-27 13:25:53.963Z | 61.123° ENE | 36.851° | 2025-10-27 13:33:53.963Z | 135.449° SSE |
| 14 mins | 2025-10-27 15:16:53.963Z | 321.978° NNW | 2025-10-27 15:23:53.963Z | 257.579° W | 31.332° | 2025-10-27 15:30:53.963Z | 200.887° SSW |
| 11 mins | 2025-10-28 02:17:53.963Z | 133.749° SE | 2025-10-28 02:22:53.963Z | 94.751° ESE | 21.376° | 2025-10-28 02:28:53.963Z | 47.96° ENE |
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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