Showing default

COSMOS 1897, 18575

Orbit data source: Space-Track

COSMOS 1897, 18575 is a payload satellite owned by UNKS (CIS) in GEO that was launched on Thu, 26 Nov 1987 UTC via a PROTON-K/DM-2 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/18575?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/18575?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

18575, 1987-096A

Orbit

GEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

NPO PM

Mission

Non-operational Defense Communications

Bus & Motor

KAUR-4 AL'TAIR, Unknown motor

Mass

2,400 kg wet, ~2,200 kg dry

Launch date (UTC)

1987-11-26 (38 years ago)

Launch vehicle

PROTON-K/DM-2

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 2.5 m

Radar Cross Section

9.425 m², Large (>1 m²)

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

TLE from 1 day ago

0 COSMOS 1897
1 18575U 87096A   25348.57056852  .00000046  00000-0  00000-0 0  9996
2 18575  11.2797 328.0965 0005125 157.3794 221.4950  1.00306039139342

Epoch: 2025-12-14T13:41Z

TLE epoch observation values (Epoch: 2025-12-14T13:41:37.120Z)

Latitude

3.62839°

Longitude

57.67877°

Altitude

35,792.247 km

Speed

3.074 km/s

True Right ascension

23h 06m 15s

True Declination

3° 37' 29"

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

19:02:35

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,799.611 km

Perigee altitude

35,756.401 km

Semi-major axis

42,156.143 km

Eccentricity

0.00051

Inclination

11.2797°

RAAN

328.0965°

Arg. of periapsis

157.3794°

True anomaly

221.45611°

Mean anomaly

221.495°

Eccentric anomaly

221.47555°

Mean motion

0.25076 °/min

Orbital period

1,435.66 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #96 in the year 1987 (1987-11-26 UTC)

SL-12 R/B(AUX MOTOR), 18580 (Decayed)

SL-12 R/B(2), 18578

COSMOS 1897 DEB, 44572

SL-12 R/B(AUX MOTOR), 18579 (Decayed)

SL-12 PLAT, 18577 (Decayed)

SL-12 R/B(1), 18576 (Decayed)

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 1897 Visibility

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.
COSMOS 1897 is likely not visible in the next few days.

Loading historical data...

18575 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 1897, 18575 on other resources

View COSMOS 1897, 18575 on NASA - NSSDCA Website

View COSMOS 1897, 18575 on Heavens-Above

View COSMOS 1897, 18575 on Keep Track

View COSMOS 1897, 18575 on Celestrak

View COSMOS 1897, 18575 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 1897, 18575

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: 2025-12-14T13:41:37.120Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #96 in the year 1987 (1987-11-26 UTC)

COSMOS 1897 Visibility

18575 neighbors

Co-orbital & Co-planar RSOs

Check out COSMOS 1897, 18575 on other resources

Documentation

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