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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: 8 hours ago

TLE from 8 hours ago

0 COSMOS 87
1 01585U 65073B   26042.94156743 -.00000070  00000-0  15160-3 0  9997
2 01585  56.0599 260.3755 0202638 218.4758 259.7968 12.47461440750123

Epoch: 2026-02-11T22:35Z

TLE epoch observation values (Epoch: 2026-02-11T22:35:51.425Z)

Latitude

48.3406°

Longitude

-89.41689°

Altitude

1,512.25 km

Speed

7.1 km/s

True Right ascension

02h 06m 11s

True Declination

48° 11' 10"

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

09:16:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,634.087 km

Perigee altitude

1,315.821 km

Semi-major axis

7,853.091 km

Eccentricity

0.02026

Inclination

56.0599°

RAAN

260.3755°

Arg. of periapsis

218.4758°

True anomaly

257.52227°

Mean anomaly

259.7968°

Eccentric anomaly

258.65844°

Mean motion

3.11876 °/min

Orbital period

115.43 mins

BSTAR

0.0001516

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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.
16 mins	2026-02-12 15:21:05.874Z	181.662° SSW	2026-02-12 15:29:05.874Z	124.054° SE	31.183°	2026-02-12 15:37:05.874Z	60.764° ENE
18 mins	2026-02-12 17:21:05.874Z	236.27° WSW	2026-02-12 17:30:05.874Z	334.155° NNW	43.391°	2026-02-12 17:39:05.874Z	43.583° NE
15 mins	2026-02-12 19:25:05.874Z	287.235° WNW	2026-02-12 19:32:05.874Z	342.986° N	29.217°	2026-02-12 19:40:05.874Z	44.796° NE
14 mins	2026-02-12 21:29:05.874Z	317.942° NNW	2026-02-12 21:36:05.874Z	15.365° NNE	27.719°	2026-02-12 21:43:05.874Z	70.079° E
16 mins	2026-02-12 23:30:05.874Z	318.377° NNW	2026-02-12 23:38:05.874Z	29.818° NE	41.717°	2026-02-12 23:46:05.874Z	117.159° SE
14 mins	2026-02-13 01:32:05.874Z	298.427° NW	2026-02-13 01:39:05.874Z	231.945° WSW	32.641°	2026-02-13 01:46:05.874Z	174.142° 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 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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-02-11T22:35:51.425Z)

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: 8 hours ago