COSMOS 1559, 14998
Orbit data source: Space-Track
COSMOS 1559, 14998 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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14998 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: 10 hours ago
TLE from 10 hours ago
0 COSMOS 1559
1 14998U 84052A 25258.55336900 -.00000011 00000-0 35274-4 0 9991
2 14998 74.0137 184.4545 0025429 170.1158 2.9437 12.43974922875380Epoch: 2025-09-15T13:16Z
TLE epoch observation values (Epoch: 2025-09-15T13:16:51.081Z)
Latitude
6.59279°
Longitude
168.59714°
Altitude
1,471.575 km
Speed
7.137 km/s
True Right ascension
00h 10m 15s
True Declination
6° 33' 26"
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
15:46:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,507.643 km
Perigee altitude
1,467.639 km
Semi-major axis
7,865.778 km
Eccentricity
0.00254
Inclination
74.0137°
RAAN
184.4545°
Arg. of periapsis
170.1158°
True anomaly
2.95871°
Mean anomaly
2.9437°
Eccentric anomaly
2.9512°
Mean motion
3.11122 °/min
Orbital period
115.71 mins
BSTAR
0.000035274
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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 1559 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-09-16 04:23:13.034Z | 11.709° NNE | 2025-09-16 04:28:13.034Z | 49.959° ENE | 17.845° | 2025-09-16 04:33:13.034Z | 87.074° E |
| 16 mins | 2025-09-16 06:20:13.034Z | 343.486° N | 2025-09-16 06:27:13.034Z | 33.655° NE | 44.427° | 2025-09-16 06:36:13.034Z | 158.409° S |
| 10 mins | 2025-09-16 08:20:13.034Z | 304.327° NW | 2025-09-16 08:24:13.034Z | 273.531° WNW | 18.858° | 2025-09-16 08:30:13.034Z | 228.295° WSW |
| 14 mins | 2025-09-16 19:20:13.034Z | 161.186° S | 2025-09-16 19:26:13.034Z | 106.37° ESE | 34.679° | 2025-09-16 19:34:13.034Z | 32.867° NE |
| 14 mins | 2025-09-16 21:18:13.034Z | 234.794° WSW | 2025-09-16 21:25:13.034Z | 305.326° NW | 34.078° | 2025-09-16 21:32:13.034Z | 5.426° NNE |
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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