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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 COSMOS 1559
1 14998U 84052A 26187.38150736 .00000004 00000-0 13969-3 0 9992
2 14998 74.0108 157.9540 0024944 92.6161 61.0408 12.43980624911922Epoch: 2026-07-06T09:09Z
TLE epoch observation values (Epoch: 2026-07-06T09:09:22.235Z)
Latitude
25.04429°
Longitude
-91.41223°
Altitude
1,482.84 km
Speed
7.129 km/s
True Right ascension
22h 01m 11s
True Declination
24° 55' 29"
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
10:05:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,507.238 km
Perigee altitude
1,467.997 km
Semi-major axis
7,865.754 km
Eccentricity
0.00249
Inclination
74.0108°
RAAN
157.954°
Arg. of periapsis
92.6161°
True anomaly
61.29127°
Mean anomaly
61.0408°
Eccentric anomaly
61.166°
Mean motion
3.11123 °/min
Orbital period
115.71 mins
BSTAR
0.00013969
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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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2026-07-06 23:53:49.642Z | 219.01° SW | 2026-07-07 00:00:49.642Z | 298.933° NW | 40.486° | 2026-07-07 00:08:49.642Z | 11.931° NNE |
| 5 mins | 2026-07-07 01:58:49.642Z | 302.368° NW | 2026-07-07 02:00:49.642Z | 316.822° NNW | 12.956° | 2026-07-07 02:03:49.642Z | 338.314° N |
| 13 mins | 2026-07-07 08:05:49.642Z | 2.672° NNE | 2026-07-07 08:11:49.642Z | 58.551° ENE | 29.706° | 2026-07-07 08:18:49.642Z | 118.788° SE |
| 14 mins | 2026-07-07 10:03:49.642Z | 328.056° NNW | 2026-07-07 10:09:49.642Z | 269.304° W | 38.945° | 2026-07-07 10:17:49.642Z | 186.492° SSW |
| 7 mins | 2026-07-07 21:09:49.642Z | 108.427° ESE | 2026-07-07 21:12:49.642Z | 85.974° E | 14.683° | 2026-07-07 21:16:49.642Z | 57.762° ENE |
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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