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: 11 hours ago
TLE from 11 hours ago
0 COSMOS 1561
1 15000U 84052C 26187.46482103 -.00000013 00000-0 20332-4 0 9996
2 15000 74.0131 5.3872 0015300 225.3173 162.2356 12.47991555918147Epoch: 2026-07-06T11:09Z
TLE epoch observation values (Epoch: 2026-07-06T11:09:20.536Z)
Latitude
26.49182°
Longitude
-78.22884°
Altitude
1,487.083 km
Speed
7.117 km/s
True Right ascension
00h 54m 13s
True Declination
26° 22' 03"
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
10:02:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,482.754 km
Perigee altitude
1,458.737 km
Semi-major axis
7,848.883 km
Eccentricity
0.00153
Inclination
74.0131°
RAAN
5.3872°
Arg. of periapsis
225.3173°
True anomaly
162.289°
Mean anomaly
162.2356°
Eccentric anomaly
162.26231°
Mean motion
3.12127 °/min
Orbital period
115.34 mins
BSTAR
0.000020332
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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. |
|---|---|---|---|---|---|---|---|
| 17 mins | 2026-07-06 23:08:40.542Z | 342.083° N | 2026-07-06 23:17:40.542Z | 116.792° SE | 44.615° | 2026-07-06 23:25:40.542Z | 159.774° S |
| 9 mins | 2026-07-07 01:09:40.542Z | 302.472° NW | 2026-07-07 01:13:40.542Z | 271.518° WNW | 18.254° | 2026-07-07 01:18:40.542Z | 233.385° WSW |
| 15 mins | 2026-07-07 12:06:40.542Z | 163.167° S | 2026-07-07 12:13:40.542Z | 98.251° ESE | 34.711° | 2026-07-07 12:21:40.542Z | 31.499° NE |
| 14 mins | 2026-07-07 14:04:40.542Z | 234.061° WSW | 2026-07-07 14:11:40.542Z | 303.281° NW | 34.084° | 2026-07-07 14:18:40.542Z | 5.086° NNE |
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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