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COSMOS 86, 1584

Orbit data source: Space-Track

COSMOS 86, 1584 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/1584?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1584, 1965-073A

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: 16 hours ago

TLE from 16 hours ago

0 COSMOS 86
1 01584U 65073A   26174.63980851 -.00000095  00000-0  43068-5 0  9990
2 01584  56.0582 122.5931 0211999 292.4517 241.4885 12.51921347778256

Epoch: 2026-06-23T15:21Z

TLE epoch observation values (Epoch: 2026-06-23T15:21:19.455Z)

Latitude

6.73009°

Longitude

155.92043°

Altitude

1,538.865 km

Speed

7.061 km/s

True Right ascension

19h 52m 14s

True Declination

6° 41' 39"

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

18:09:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,622.381 km

Perigee altitude

1,290.202 km

Semi-major axis

7,834.428 km

Eccentricity

0.0212

Inclination

56.0582°

RAAN

122.5931°

Arg. of periapsis

292.4517°

True anomaly

239.38095°

Mean anomaly

241.4885°

Eccentric anomaly

240.43202°

Mean motion

3.12991 °/min

Orbital period

115.02 mins

BSTAR

0.0000043068

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

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COSMOS 86 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	2026-06-24 08:18:51.748Z	295.865° NW	2026-06-24 08:25:51.748Z	246.837° WSW	26.058°	2026-06-24 08:33:51.748Z	188.258° SSW
13 mins	2026-06-24 21:11:51.748Z	164.708° S	2026-06-24 21:16:51.748Z	122.226° SE	26.176°	2026-06-24 21:24:51.748Z	62.099° ENE
17 mins	2026-06-24 23:08:51.748Z	230.428° WSW	2026-06-24 23:16:51.748Z	325.223° NNW	44.499°	2026-06-24 23:25:51.748Z	44.373° NE
15 mins	2026-06-25 01:11:51.748Z	284.298° WNW	2026-06-25 01:18:51.748Z	346.106° N	30.24°	2026-06-25 01:26:51.748Z	44.589° NE
15 mins	2026-06-25 03:14:51.748Z	315.417° NNW	2026-06-25 03:21:51.748Z	11.177° NNE	27.615°	2026-06-25 03:29:51.748Z	68.605° E
17 mins	2026-06-25 05:15:51.748Z	319.41° NNW	2026-06-25 05:23:51.748Z	27.917° NE	40.17°	2026-06-25 05:32:51.748Z	111.946° 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 86, 1584 on other resources

View COSMOS 86, 1584 on NASA - NSSDCA Website

View COSMOS 86, 1584 on Heavens-Above

View COSMOS 86, 1584 on Keep Track

View COSMOS 86, 1584 on Celestrak

View COSMOS 86, 1584 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 86, 1584

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-06-23T15:21:19.455Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

COSMOS 86 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 86, 1584 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago