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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

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https://www.satcat.com/sats-embedded/18443?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18443, 1987-091A

Orbit

GEO

Last TLE update

20 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 20 hours ago

0 COSMOS 1894
1 18443U 87091A   25184.28622073 -.00000218  00000-0  00000-0 0  9997
2 18443  11.2524 327.8123 0002191  40.3650 346.8115  1.00303599117326

Epoch: 2025-07-03T06:52Z

TLE epoch observation values (Epoch: 2025-07-03T06:52:09.471Z)

Latitude

5.1155°

Longitude

-30.07684°

Altitude

35,767.754 km

Speed

3.076 km/s

True Right ascension

23h 38m 04s

True Declination

5° 06' 37"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-6.53671°

Longitude

-91.85011°

Altitude

35,776.155 km

Speed

3.075 km/s

Apparent Right ascension

19h 57m 37s

Apparent Declination

-12° 12' 23"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:26:37

Azimuth

103.975° ESE

Elevation

-2.355°

Doppler factor

Orbital elements

Apogee altitude

35,787.926 km

Perigee altitude

35,769.453 km

Semi-major axis

42,156.827 km

Eccentricity

0.00022

Inclination

11.2524°

RAAN

327.8123°

Arg. of periapsis

40.365°

True anomaly

Unknown

Mean anomaly

346.8115°

Eccentric anomaly

Unknown

Mean motion

0.25075 °/min

Orbital period

1,435.69 mins

BSTAR

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18443 neighbors

Authenticating...

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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...

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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.