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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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<iframe src="https://www.satcat.com/sats-embedded/15574?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/15574?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

15574, 1985-016A

Orbit

GEO

Country

CIS

Related business

Russian Aerospace Forces (RU)

Manufacturer

NPOL/KOMET

Mission

Spacecraft

Bus & Motor

OKO, Unknown motor

Mass

~1,250 kg wet, ~1,150 kg dry

Launch date (UTC)

1985-02-21 (41 years ago)

Launch vehicle

PROTON-K/DM

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 COSMOS 1629
1 15574U 85016A   25358.65403525  .00000094  00000-0  00000-0 0  9998
2 15574   9.4463 315.6246 0008136 269.3621 290.4431  1.00248533148703

Epoch: 2025-12-24T15:41Z

TLE epoch observation values (Epoch: 2025-12-24T15:41:48.645Z)

Latitude

-3.16926°

Longitude

-173.8019°

Altitude

35,781.324 km

Speed

3.075 km/s

True Right ascension

10h 20m 17s

True Declination

-3° 09' 58"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

01:56:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,828.454 km

Perigee altitude

35,759.831 km

Semi-major axis

42,172.28 km

Eccentricity

0.00081

Inclination

9.4463°

RAAN

315.6246°

Arg. of periapsis

269.3621°

True anomaly

290.35571°

Mean anomaly

290.4431°

Eccentric anomaly

290.39941°

Mean motion

0.25061 °/min

Orbital period

1,436.48 mins

BSTAR

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Other satellites on launch #16 in the year 1985 (1985-02-21 UTC)

SL-12 R/B(AUX MOTOR), 15578 (Decayed)

SL-12 R/B(2), 15581

SL-12 R/B(1), 15575 (Decayed)

SL-12 PLAT, 15576 (Decayed)

SL-12 R/B(AUX MOTOR), 15577 (Decayed)

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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.
538 mins	2025-12-26 03:53:01.665Z	258.966° W	2025-12-26 08:39:01.665Z	263.341° W	13.697°	2025-12-26 12:51:01.665Z	258.398° 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

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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

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out COSMOS 1629, 15574 on other resources

View COSMOS 1629, 15574 on NASA - NSSDCA Website

View COSMOS 1629, 15574 on Heavens-Above

View COSMOS 1629, 15574 on Keep Track

View COSMOS 1629, 15574 on Celestrak

View COSMOS 1629, 15574 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

COSMOS 1629, 15574

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-12-24T15:41:48.645Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #16 in the year 1985 (1985-02-21 UTC)

COSMOS 1629 Visibility forecast

15574 neighbors

Co-orbital & Co-planar RSOs

Check out COSMOS 1629, 15574 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago