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: 14 hours ago
TLE from 14 hours ago
0 COSMOS 1561
1 15000U 84052C 25260.79776530 -.00000016 00000-0 43657-6 0 9993
2 15000 74.0143 31.9407 0015666 300.2583 173.1468 12.47985986881754Epoch: 2025-09-17T19:08Z
TLE epoch observation values (Epoch: 2025-09-17T19:08:46.921Z)
Latitude
61.98943°
Longitude
-104.62882°
Altitude
1,495.389 km
Speed
7.117 km/s
True Right ascension
11h 58m 08s
True Declination
61° 51' 36"
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
01:33:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,483.065 km
Perigee altitude
1,458.473 km
Semi-major axis
7,848.906 km
Eccentricity
0.00157
Inclination
74.0143°
RAAN
31.9407°
Arg. of periapsis
300.2583°
True anomaly
173.16818°
Mean anomaly
173.1468°
Eccentric anomaly
173.15749°
Mean motion
3.12126 °/min
Orbital period
115.34 mins
BSTAR
4.3657e-7
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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 | 2025-09-18 10:01:19.049Z | 196.155° SSW | 2025-09-18 10:09:19.049Z | 34.257° NE | 44.972° | 2025-09-18 10:17:19.049Z | 19.356° NNE |
| 11 mins | 2025-09-18 12:03:19.049Z | 270.721° WNW | 2025-09-18 12:08:19.049Z | 310.9° NW | 20.165° | 2025-09-18 12:14:19.049Z | 355.73° N |
| 11 mins | 2025-09-18 18:13:19.049Z | 10.878° NNE | 2025-09-18 18:18:19.049Z | 50.837° ENE | 20.521° | 2025-09-18 18:24:19.049Z | 96.353° ESE |
| 15 mins | 2025-09-18 20:10:19.049Z | 340.491° N | 2025-09-18 20:17:19.049Z | 235.683° WSW | 44.984° | 2025-09-18 20:25:19.049Z | 164.528° S |
| 8 mins | 2025-09-18 22:10:19.049Z | 296.855° NW | 2025-09-18 22:13:19.049Z | 274.457° WNW | 15.986° | 2025-09-18 22:18:19.049Z | 238.084° WSW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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