Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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 (42 years ago)

Launch vehicle

PROTON-K/DM

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

CYL + 2 PAN, 1.1 m

Radar Cross Section

Large (>1 m²)

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

TLE from 1 day ago

0 COSMOS 1629
1 15574U 85016A   26264.38548770  .00000112  00000-0  00000-0 0  9998
2 15574   8.9600 313.9180 0007813 273.5052 121.9575  1.00350853151423

Epoch: 2026-09-21T09:15Z

TLE epoch observation values (Epoch: 2026-09-21T09:15:06.137Z)

Latitude

5.1915°

Longitude

-149.91334°

Altitude

35,780.976 km

Speed

3.074 km/s

True Right ascension

23h 16m 30s

True Declination

5° 11' 11"

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

03:43:31

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,798.404 km

Perigee altitude

35,732.55 km

Semi-major axis

42,143.614 km

Eccentricity

0.00078

Inclination

8.96°

RAAN

313.918°

Arg. of periapsis

273.5052°

True anomaly

122.03342°

Mean anomaly

121.9575°

Eccentric anomaly

121.99546°

Mean motion

0.25087 °/min

Orbital period

1,435.02 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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(AUX MOTOR), 15577 (Decayed)

SL-12 PLAT, 15576 (Decayed)

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

SL-12 R/B(2), 15581

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

COSMOS 1629 Visibility forecast

Loading observer location...
Set Observer location

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.
1440 mins	2026-09-22 10:38:45.679Z	243.114° WSW	2026-09-22 13:06:45.679Z	244.002° WSW	32.727°	2026-09-23 10:38:45.679Z	242.936° WSW

Items per page:

1–1 of 1 items

of 1 page

Loading historical data...

15574 neighbors

Authenticating...

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

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

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 2026-09-21T09:15:06.137Z)

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