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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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
POLY, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 COSMOS 1561
1 15000U 84052C 26277.33823531 .00000004 00000-0 13435-3 0 9990
2 15000 74.0098 246.2704 0014267 89.8693 23.9944 12.47992804929359Epoch: 2026-10-04T08:07Z
TLE epoch observation values (Epoch: 2026-10-04T08:07:03.530Z)
Latitude
61.57769°
Longitude
-100.32283°
Altitude
1,472.829 km
Speed
7.137 km/s
True Right ascension
02h 17m 53s
True Declination
61° 26' 48"
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
18:07:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,481.939 km
Perigee altitude
1,459.543 km
Semi-major axis
7,848.878 km
Eccentricity
0.00143
Inclination
74.0098°
RAAN
246.2704°
Arg. of periapsis
89.8693°
True anomaly
24.06099°
Mean anomaly
23.9944°
Eccentric anomaly
24.02768°
Mean motion
3.12127 °/min
Orbital period
115.34 mins
BSTAR
0.00013435
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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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-10-05 00:59:18.544Z | 255.347° W | 2026-10-05 01:05:18.544Z | 301.996° NW | 25.658° | 2026-10-05 01:12:18.544Z | 358.201° N |
| 9 mins | 2026-10-05 07:11:18.544Z | 13.844° NNE | 2026-10-05 07:15:18.544Z | 43.938° NE | 17.86° | 2026-10-05 07:20:18.544Z | 81.977° E |
| 16 mins | 2026-10-05 09:07:18.544Z | 344.127° N | 2026-10-05 09:15:18.544Z | 87.26° E | 76.781° | 2026-10-05 09:23:18.544Z | 156.187° SSE |
| 10 mins | 2026-10-05 11:07:18.544Z | 304.903° NW | 2026-10-05 11:11:18.544Z | 273.346° WNW | 21.301° | 2026-10-05 11:17:18.544Z | 226.805° WSW |
| 14 mins | 2026-10-05 22:05:18.544Z | 157.492° SSE | 2026-10-05 22:11:18.544Z | 102.5° ESE | 39.859° | 2026-10-05 22:19:18.544Z | 33.46° NE |
| 11 mins | 2026-10-06 00:02:18.544Z | 229.899° WSW | 2026-10-06 00:09:18.544Z | 299.097° NW | 45.77° | 2026-10-06 00:13:18.544Z | 350.604° N |
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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