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COSMOS 89, 1587

Orbit data source: Space-Track

COSMOS 89, 1587 is a payload satellite owned by OKB-10 (CIS) in LEO that was launched on Sat, 18 Sep 1965 UTC via a KOSMOS 65S3 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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https://www.satcat.com/sats-embedded/1587?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1587, 1965-073D

Orbit

LEO

Country

CIS

Related business

Federal Space Agency of Russia (Roscosmos) (RU)

Manufacturer

OKB-10

Mission

Spacecraft

Bus & Motor

STRELA-1 11F610, Unknown motor

Mass

50 kg wet, 50 kg dry

Launch date (UTC)

1965-09-18 (61 years ago)

Launch vehicle

KOSMOS 65S3

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 COSMOS 89
1 01587U 65073D   26104.01215166 -.00000068  00000-0  17522-3 0  9992
2 01587  56.0588 315.0615 0165646 224.1922 134.5647 12.38988317740906

Epoch: 2026-04-14T00:17Z

TLE epoch observation values (Epoch: 2026-04-14T00:17:29.903Z)

Latitude

-0.00006°

Longitude

108.49235°

Altitude

1,604.722 km

Speed

7.027 km/s

True Right ascension

21h 00m 14s

True Declination

0° 00' 00"

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

21:53:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,641.394 km

Perigee altitude

1,380.043 km

Semi-major axis

7,888.856 km

Eccentricity

0.01656

Inclination

56.0588°

RAAN

315.0615°

Arg. of periapsis

224.1922°

True anomaly

135.89756°

Mean anomaly

134.5647°

Eccentric anomaly

135.23307°

Mean motion

3.09758 °/min

Orbital period

116.22 mins

BSTAR

0.00017522

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Other satellites on launch #73 in the year 1965 (1965-09-18 UTC)

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COSMOS 89 Visibility forecast

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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.
18 mins	2026-04-14 15:53:11.919Z	206.571° SW	2026-04-14 16:02:11.919Z	130.224° SE	42.421°	2026-04-14 16:11:11.919Z	50.101° ENE
17 mins	2026-04-14 17:56:11.919Z	259.956° W	2026-04-14 18:04:11.919Z	326.856° NNW	36.733°	2026-04-14 18:13:11.919Z	41.874° NE
15 mins	2026-04-14 20:01:11.919Z	302.295° NW	2026-04-14 20:08:11.919Z	354.16° N	26.674°	2026-04-14 20:16:11.919Z	54.32° ENE
16 mins	2026-04-14 22:05:11.919Z	320.704° NNW	2026-04-14 22:13:11.919Z	31.386° NE	33.208°	2026-04-14 22:21:11.919Z	93.1° ESE
16 mins	2026-04-15 00:07:11.919Z	312.397° NW	2026-04-15 00:15:11.919Z	224.114° SW	44.556°	2026-04-15 00:23:11.919Z	143.734° SSE
9 mins	2026-04-15 02:11:11.919Z	277.882° WNW	2026-04-15 02:15:11.919Z	247.91° W	18.186°	2026-04-15 02:20:11.919Z	210.605° SW
16 mins	2026-04-15 15:07:11.919Z	190.114° SSW	2026-04-15 15:15:11.919Z	124.703° SE	36.305°	2026-04-15 15:23:11.919Z	56.894° ENE

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Co-orbital & Co-planar RSOs

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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out COSMOS 89, 1587 on other resources

View COSMOS 89, 1587 on NASA - NSSDCA Website

View COSMOS 89, 1587 on Heavens-Above

View COSMOS 89, 1587 on Keep Track

View COSMOS 89, 1587 on Celestrak

View COSMOS 89, 1587 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 89, 1587

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-04-14T00:17:29.903Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #73 in the year 1965 (1965-09-18 UTC)

COSMOS 89 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 89, 1587 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago