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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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Iframe URL

https://www.satcat.com/sats-embedded/1587?theme=dark&initialShowStats=false

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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

POLY, 0.4 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 COSMOS 89
1  1587U 65073D   26222.78396924 -.00000108  00000-0 -10918-3 0  9997
2  1587  56.0597   0.9335 0167607  22.2942 338.5138 12.38989387755627

Epoch: 2026-08-10T18:48Z

TLE epoch observation values (Epoch: 2026-08-10T18:48:54.942Z)

Latitude

-0.00004°

Longitude

119.4429°

Altitude

1,389.204 km

Speed

7.221 km/s

True Right ascension

00h 03m 44s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

17:37:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,642.937 km

Perigee altitude

1,378.491 km

Semi-major axis

7,888.851 km

Eccentricity

0.01676

Inclination

56.0597°

RAAN

0.9335°

Arg. of periapsis

22.2942°

True anomaly

337.79636°

Mean anomaly

338.5138°

Eccentric anomaly

338.15649°

Mean motion

3.09758 °/min

Orbital period

116.22 mins

BSTAR

-0.00010918

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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.
14 mins	2026-08-11 10:23:50.974Z	183.7° SSW	2026-08-11 10:30:50.974Z	126.064° SE	30.671°	2026-08-11 10:37:50.974Z	61.638° ENE
15 mins	2026-08-11 12:24:50.974Z	241.415° WSW	2026-08-11 12:31:50.974Z	310.205° NW	41.97°	2026-08-11 12:39:50.974Z	41.378° NE
13 mins	2026-08-11 14:29:50.974Z	297.194° NW	2026-08-11 14:34:50.974Z	342.212° N	26.628°	2026-08-11 14:42:50.974Z	46.201° ENE
13 mins	2026-08-11 16:33:50.974Z	324.45° NNW	2026-08-11 16:39:50.974Z	19.97° NNE	27.664°	2026-08-11 16:46:50.974Z	73.883° E
17 mins	2026-08-11 18:34:50.974Z	318.473° NNW	2026-08-11 18:42:50.974Z	51.715° ENE	42.99°	2026-08-11 18:51:50.974Z	123.458° SE
15 mins	2026-08-11 20:36:50.974Z	296.91° NW	2026-08-11 20:43:50.974Z	236.809° WSW	31.117°	2026-08-11 20:51:50.974Z	177.445° S

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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: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-08-10T18:48:54.942Z)

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: 9 hours ago