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: 10 hours ago
TLE from 10 hours ago
0 COSMOS 1561
1 15000U 84052C 26036.95267134 -.00000020 00000-0 -28394-4 0 9993
2 15000 74.0096 204.8639 0014546 89.7802 27.0263 12.47989403899362Epoch: 2026-02-05T22:51Z
TLE epoch observation values (Epoch: 2026-02-05T22:51:50.803Z)
Latitude
59.12586°
Longitude
-122.68181°
Altitude
1,472.378 km
Speed
7.137 km/s
True Right ascension
23h 45m 30s
True Declination
58° 59' 17"
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
11:08:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,482.172 km
Perigee altitude
1,459.338 km
Semi-major axis
7,848.892 km
Eccentricity
0.00145
Inclination
74.0096°
RAAN
204.8639°
Arg. of periapsis
89.7802°
True anomaly
27.10216°
Mean anomaly
27.0263°
Eccentric anomaly
27.06422°
Mean motion
3.12126 °/min
Orbital period
115.34 mins
BSTAR
-0.000028394
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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 | 2026-02-06 11:47:27.903Z | 179.564° S | 2026-02-06 11:55:27.903Z | 98.661° ESE | 41.425° | 2026-02-06 12:03:27.903Z | 25.982° NE |
| 13 mins | 2026-02-06 13:47:27.903Z | 249.711° W | 2026-02-06 13:53:27.903Z | 301.548° NW | 27.096° | 2026-02-06 14:00:27.903Z | 0.422° NNE |
| 7 mins | 2026-02-06 20:00:27.903Z | 22.134° NNE | 2026-02-06 20:03:27.903Z | 44.428° NE | 14.286° | 2026-02-06 20:07:27.903Z | 73.158° E |
| 15 mins | 2026-02-06 21:56:27.903Z | 349.509° N | 2026-02-06 22:03:27.903Z | 79.042° E | 42.018° | 2026-02-06 22:11:27.903Z | 148.51° SSE |
| 12 mins | 2026-02-06 23:54:27.903Z | 313.616° NW | 2026-02-07 00:00:27.903Z | 263.314° W | 24.22° | 2026-02-07 00:06:27.903Z | 216.336° SW |
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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