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COSMOS 1900, 18665

Orbit data source: Space-Track

COSMOS 1900, 18665 is a payload satellite owned by VMF (CIS) in LEO that was launched on Sat, 12 Dec 1987 UTC via a TSIKLON-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.

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<iframe src="https://www.satcat.com/sats-embedded/18665?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

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https://www.satcat.com/sats-embedded/18665?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18665, 1987-101A

Orbit

LEO

Last TLE update

1 day ago

Origin

Russian Navy (CIS)

Manufacturer

KOMET/ARSL

Mission

Defense Sigint

Bus & Motor

US-A REACTOR, Unknown motor

Mass

4,300 kg wet, 1,154 kg dry

Launch date (UTC)

1987-12-12 (37 years ago)

Launch vehicle

TSIKLON-2

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cone + Cyl, 5.8 m

Radar Cross Section

6.586 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 COSMOS 1900
1 18665U 87101A   25128.29286400  .00000240  00000-0  78299-4 0  9997
2 18665  66.0838  77.7313 0039170 333.1705  26.7374 14.55455692989583

Epoch: 2025-05-08T07:01Z

Definitive object data (Epoch: 2025-05-08T07:01:43.449Z)

Latitude

-0.00003°

Longitude

105.93481°

Altitude

685.199 km

Speed

7.527 km/s

True Right ascension

05h 10m 55s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

66.19577°

Longitude

-166.05332°

Altitude

731.249 km

Speed

7.489 km/s

Apparent Right ascension

05h 04m 26s

Apparent Declination

31° 10' 60"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:40:36

Azimuth

329.162° NNW

Elevation

-11.471°

Doppler factor

Orbital elements

Apogee altitude

734.064 km

Perigee altitude

678.565 km

Semi-major axis

7,084.451 km

Eccentricity

0.003917

Inclination

66.0838°

RAAN

77.7313°

Arg. of periapsis

333.1705°

True anomaly

26.94023°

Mean anomaly

26.7374°

Eccentric anomaly

26.83872°

Mean motion

3.63985 °/min

BSTAR

0.000078299

Orbital period

98.91 mins

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Other satellites on launch #101 in the year 1987 (1987-12-12 UTC)

COSMOS 1900 DEB, 19553 (Decayed)

COSMOS 1900 DEB, 19589 (Decayed)

COSMOS 1900 DEB, 43499

COSMOS 1900 DEB, 43500

COSMOS 1900 DEB, 43501

COSMOS 1900 Visibility forecast

Observer location: undefined°, undefined°

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.
9 mins	2025-05-09 06:38:45.441Z	345.628° N	2025-05-09 06:42:45.441Z	44.567° NE	32.97°	2025-05-09 06:47:45.441Z	123.731° SE
6 mins	2025-05-09 08:21:45.441Z	293.576° NW	2025-05-09 08:24:45.441Z	246.109° WSW	23.169°	2025-05-09 08:27:45.441Z	202.956° SW
6 mins	2025-05-09 21:05:45.441Z	152.432° SSE	2025-05-09 21:08:45.441Z	102.874° ESE	22.545°	2025-05-09 21:11:45.441Z	60.43° ENE
7 mins	2025-05-09 22:46:45.441Z	246.423° WSW	2025-05-09 22:49:45.441Z	302.662° NW	32.07°	2025-05-09 22:53:45.441Z	11.891° NNE
5 mins	2025-05-10 05:44:45.441Z	14.134° NNE	2025-05-10 05:46:45.441Z	43.696° NE	19.33°	2025-05-10 05:49:45.441Z	85.89° E

Authenticating...

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Check out COSMOS 1900, 18665 on other resources

View COSMOS 1900, 18665 on NASA - NSSDCA Website

View COSMOS 1900, 18665 on Heavens-Above

View COSMOS 1900, 18665 on Keep Track

View COSMOS 1900, 18665 on Celestrak

View COSMOS 1900, 18665 on Gunter's Space Page

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