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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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: 15 hours ago
TLE from 15 hours ago
0 COSMOS 1559
1 14998U 84052A 26277.42691054 -.00000007 00000-0 64510-4 0 9993
2 14998 74.0144 39.5032 0026096 318.1167 115.0932 12.43981421923128Epoch: 2026-10-04T10:14Z
TLE epoch observation values (Epoch: 2026-10-04T10:14:45.070Z)
Latitude
67.25487°
Longitude
-84.46234°
Altitude
1,509.798 km
Speed
7.112 km/s
True Right ascension
05h 29m 22s
True Declination
67° 08' 37"
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
19:02:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,508.14 km
Perigee altitude
1,467.087 km
Semi-major axis
7,865.751 km
Eccentricity
0.00261
Inclination
74.0144°
RAAN
39.5032°
Arg. of periapsis
318.1167°
True anomaly
115.36364°
Mean anomaly
115.0932°
Eccentric anomaly
115.22846°
Mean motion
3.11124 °/min
Orbital period
115.71 mins
BSTAR
0.00006451
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-10-05 07:14:26.088Z | 105.611° ESE | 2026-10-05 07:17:26.088Z | 85.085° E | 12.019° | 2026-10-05 07:19:26.088Z | 71.249° E |
| 16 mins | 2026-10-05 09:06:26.088Z | 185.536° SSW | 2026-10-05 09:13:26.088Z | 121.81° SE | 71.835° | 2026-10-05 09:22:26.088Z | 22.976° NE |
| 12 mins | 2026-10-05 11:07:26.088Z | 260.361° W | 2026-10-05 11:12:26.088Z | 302.64° NW | 26.922° | 2026-10-05 11:19:26.088Z | 358.623° N |
| 10 mins | 2026-10-05 17:19:26.088Z | 12.467° NNE | 2026-10-05 17:24:26.088Z | 49.809° ENE | 18.282° | 2026-10-05 17:29:26.088Z | 85.599° E |
| 16 mins | 2026-10-05 19:16:26.088Z | 344.717° N | 2026-10-05 19:23:26.088Z | 40.497° NE | 75.129° | 2026-10-05 19:32:26.088Z | 156.015° SSE |
| 10 mins | 2026-10-05 21:16:26.088Z | 305.352° NW | 2026-10-05 21:21:26.088Z | 265.185° W | 22.12° | 2026-10-05 21:26:26.088Z | 227.594° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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