Showing default

COSMOS 1894, 18443

Orbit data source: Space-Track

COSMOS 1894, 18443 is a payload satellite owned by PVO (CIS) in GEO that was launched on Wed, 28 Oct 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/18443?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/18443?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

18443, 1987-091A

Orbit

GEO

Last TLE update

12 hours ago

Origin

Russian Aerospace Forces (CIS)

Manufacturer

NPOL/KOMET

Mission

Defense Early Warn

Bus & Motor

OKO, Unknown motor

Mass

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

Launch date (UTC)

1987-10-28 (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 Pan, 5 m

Radar Cross Section

6.333 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 12 hours ago

0 COSMOS 1894
1 18443U 87091A   25182.70409993 -.00000226  00000-0  00000-0 0  9995
2 18443  11.2547 327.8230 0002244  41.1175 134.7464  1.00303999117303

Epoch: 2025-07-01T16:53Z

TLE epoch observation values (Epoch: 2025-07-01T16:53:54.233Z)

Latitude

0.81091°

Longitude

-29.6907°

Altitude

35,783.628 km

Speed

3.075 km/s

True Right ascension

09h 35m 07s

True Declination

0° 48' 36"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-0.31753°

Longitude

152.78164°

Altitude

35,770.252 km

Speed

3.076 km/s

Apparent Right ascension

22h 11m 27s

Apparent Declination

-5° 57' 58"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

16:43:26

Azimuth

99.71° ESE

Elevation

2.261°

Doppler factor

Orbital elements

Apogee altitude

35,788.037 km

Perigee altitude

35,769.118 km

Semi-major axis

42,156.715 km

Eccentricity

0.00022

Inclination

11.2547°

RAAN

327.823°

Arg. of periapsis

41.1175°

True anomaly

Unknown

Mean anomaly

134.7464°

Eccentric anomaly

Unknown

Mean motion

0.25075 °/min

Orbital period

1,435.69 mins

BSTAR

Loading historical data...

18443 neighbors

Authenticating...

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #91 in the year 1987 (1987-10-28 UTC)

SL-12 R/B(1), 18444 (Decayed)

SL-12 PLAT, 18445 (Decayed)

SL-12 R/B(2), 18446

SL-12 R/B(AUX MOTOR), 18447 (Decayed)

SL-12 R/B(AUX MOTOR), 18448 (Decayed)

COSMOS 1894 Visibility

Observer location: undefined°, undefined°

COSMOS 1894 is likely not visible in the next few days

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 ascending order

Check out COSMOS 1894, 18443 on other resources

View COSMOS 1894, 18443 on NASA - NSSDCA Website

View COSMOS 1894, 18443 on Heavens-Above

View COSMOS 1894, 18443 on Keep Track

View COSMOS 1894, 18443 on Celestrak

View COSMOS 1894, 18443 on Gunter's Space Page

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