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COSMOS 87, 1585

Orbit data source: Space-Track

COSMOS 87, 1585 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 src="https://www.satcat.com/sats-embedded/1585?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/1585?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1585, 1965-073B

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 (60 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: 23 hours ago

TLE from 23 hours ago

0 COSMOS 87
1 01585U 65073B   26032.13363462 -.00000069  00000-0  16213-3 0  9993
2 01585  56.0617 289.4232 0203105 203.9097 322.9518 12.47461094748778

Epoch: 2026-02-01T03:12Z

TLE epoch observation values (Epoch: 2026-02-01T03:12:26.031Z)

Latitude

12.03783°

Longitude

-78.24203°

Altitude

1,349.338 km

Speed

7.242 km/s

True Right ascension

06h 44m 51s

True Declination

11° 58' 24"

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

04:20:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,634.455 km

Perigee altitude

1,315.455 km

Semi-major axis

7,853.092 km

Eccentricity

0.02031

Inclination

56.0617°

RAAN

289.4232°

Arg. of periapsis

203.9097°

True anomaly

321.52074°

Mean anomaly

322.9518°

Eccentric anomaly

322.23919°

Mean motion

3.11876 °/min

Orbital period

115.43 mins

BSTAR

0.00016213

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

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COSMOS 87 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.
15 mins	2026-02-02 03:55:39.087Z	305.501° NW	2026-02-02 04:03:39.087Z	237.625° WSW	36.285°	2026-02-02 04:10:39.087Z	168.516° S
10 mins	2026-02-02 16:53:39.087Z	143.51° SSE	2026-02-02 16:58:39.087Z	109.867° ESE	16.91°	2026-02-02 17:03:39.087Z	77.455° E
17 mins	2026-02-02 18:49:39.087Z	209.738° SW	2026-02-02 18:57:39.087Z	132.532° SE	43.546°	2026-02-02 19:06:39.087Z	48.848° ENE
16 mins	2026-02-02 20:51:39.087Z	265.356° W	2026-02-02 20:58:39.087Z	323.983° NNW	35.248°	2026-02-02 21:07:39.087Z	41.595° NE
14 mins	2026-02-02 22:55:39.087Z	306.212° NW	2026-02-02 23:02:39.087Z	1.452° NNE	25.915°	2026-02-02 23:09:39.087Z	54.552° ENE
15 mins	2026-02-03 00:58:39.087Z	322.657° NNW	2026-02-03 01:05:39.087Z	26.504° NE	33.485°	2026-02-03 01:13:39.087Z	94.639° ESE

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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 87, 1585 on other resources

View COSMOS 87, 1585 on NASA - NSSDCA Website

View COSMOS 87, 1585 on Heavens-Above

View COSMOS 87, 1585 on Keep Track

View COSMOS 87, 1585 on Celestrak

View COSMOS 87, 1585 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 87, 1585

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 23 hours ago

TLE from 23 hours ago

TLE epoch observation values (Epoch: 2026-02-01T03:12:26.031Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

COSMOS 87 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 87, 1585 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 23 hours ago