COSMOS 1629, 15574
Orbit data source: Space-Track
COSMOS 1629, 15574 is a payload satellite owned by PVO (CIS) in GEO that was launched on Thu, 21 Feb 1985 UTC via a PROTON-K/DM launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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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15574 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPOL/KOMET
Mission
Spacecraft
Bus & Motor
OKO, Unknown motor
Mass
~1,250 kg wet, ~1,150 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 COSMOS 1629
1 15574U 85016A 25299.29849589 .00000106 00000-0 00000+0 0 9999
2 15574 9.5575 316.0056 0008282 262.4158 117.9148 1.00225814148113Epoch: 2025-10-26T07:09Z
TLE epoch observation values (Epoch: 2025-10-26T07:09:50.044Z)
Latitude
3.33461°
Longitude
-166.2452°
Altitude
35,815.094 km
Speed
3.073 km/s
True Right ascension
22h 24m 31s
True Declination
3° 19' 52"
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
12:51:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,835.446 km
Perigee altitude
35,765.582 km
Semi-major axis
42,178.651 km
Eccentricity
0.00083
Inclination
9.5575°
RAAN
316.0056°
Arg. of periapsis
262.4158°
True anomaly
117.99862°
Mean anomaly
117.9148°
Eccentric anomaly
117.95671°
Mean motion
0.25056 °/min
Orbital period
1,436.81 mins
BSTAR
0
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Other satellites on launch #16 in the year 1985 (1985-02-21 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 1629 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. |
|---|---|---|---|---|---|---|---|
| 117 mins | 2025-10-26 17:30:15.321Z | 251.022° W | 2025-10-26 17:30:15.321Z | 251.022° W | 13.452° | 2025-10-26 19:27:15.321Z | 247.657° W |
| 825 mins | 2025-10-27 03:45:15.321Z | 246.56° WSW | 2025-10-27 12:05:15.321Z | 258.297° W | 18.872° | 2025-10-27 17:30:15.321Z | 251.047° W |
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15574 neighbors
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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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