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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 4 hours ago
TLE from 4 hours ago
0 COSMOS 1561
1 15000U 84052C 26127.20566057 -.00000006 00000-0 67520-4 0 9995
2 15000 74.0110 85.2517 0015495 312.4629 154.7791 12.47990758910624Epoch: 2026-05-07T04:56Z
TLE epoch observation values (Epoch: 2026-05-07T04:56:09.073Z)
Latitude
66.68515°
Longitude
-75.26368°
Altitude
1,495.091 km
Speed
7.118 km/s
True Right ascension
14h 55m 19s
True Declination
66° 34' 18"
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
16:58:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,482.911 km
Perigee altitude
1,458.587 km
Semi-major axis
7,848.886 km
Eccentricity
0.00155
Inclination
74.011°
RAAN
85.2517°
Arg. of periapsis
312.4629°
True anomaly
154.85463°
Mean anomaly
154.7791°
Eccentric anomaly
154.81688°
Mean motion
3.12127 °/min
Orbital period
115.34 mins
BSTAR
0.00006752
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-05-07 08:58:06.002Z | 202.598° SW | 2026-05-07 08:58:06.002Z | 202.598° SW | 43.35° | 2026-05-07 09:05:06.002Z | 170.576° S |
| 6 mins | 2026-05-07 10:51:06.002Z | 289.234° WNW | 2026-05-07 10:53:06.002Z | 274.859° WNW | 13.229° | 2026-05-07 10:57:06.002Z | 246.982° WSW |
| 15 mins | 2026-05-07 21:46:06.002Z | 174.988° S | 2026-05-07 21:53:06.002Z | 108.955° ESE | 39.964° | 2026-05-07 22:01:06.002Z | 28.044° NE |
| 14 mins | 2026-05-07 23:45:06.002Z | 245.392° WSW | 2026-05-07 23:51:06.002Z | 296.764° NW | 28.73° | 2026-05-07 23:59:06.002Z | 3.858° NNE |
| 6 mins | 2026-05-08 05:59:06.002Z | 26.285° NE | 2026-05-08 06:01:06.002Z | 40.818° NE | 13.483° | 2026-05-08 06:05:06.002Z | 69.018° E |
| 15 mins | 2026-05-08 07:54:06.002Z | 350.021° N | 2026-05-08 08:01:06.002Z | 62.138° ENE | 40.949° | 2026-05-08 08:09:06.002Z | 144.398° SSE |
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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