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COSMOS 339, 4386

Orbit data source: Space-Track

COSMOS 339, 4386 is a payload satellite owned by OKB-10 (CIS) in LEO that was launched on Sat, 25 Apr 1970 UTC via a KOSMOS 11K65M launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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/4386?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

4386, 1970-036D

Orbit

LEO

Last TLE update

8 hours ago

Origin

Federal Space Agency of Russia (Roscosmos) (CIS)

Manufacturer

OKB-10

Mission

Defense Communications

Bus & Motor

STRELA-1 11F625, Unknown motor

Mass

60 kg wet, 60 kg dry

Launch date (UTC)

1970-04-25 (55 years ago)

Launch vehicle

KOSMOS 11K65M

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, 0.4 m

Radar Cross Section

0.588 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 COSMOS 339
1 04386U 70036D   25230.59648638 -.00000012  00000-0  26111-4 0  9997
2 04386  74.0288 183.8841 0015960 250.2659 285.5338 12.51869489527534

Epoch: 2025-08-18T14:18Z

TLE epoch observation values (Epoch: 2025-08-18T14:18:56.423Z)

Latitude

4.12947°

Longitude

-179.22991°

Altitude

1,455.297 km

Speed

7.137 km/s

True Right ascension

00h 10m 49s

True Declination

4° 06' 25"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-3.51114°

Longitude

-177.47892°

Altitude

1,454.54 km

Speed

7.137 km/s

Apparent Right ascension

00h 30m 43s

Apparent Declination

-19° 43' 29"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

12:51:19

Azimuth

13.851° NNE

Elevation

-69.33°

Doppler factor

Orbital elements

Apogee altitude

1,467.019 km

Perigee altitude

1,442.017 km

Semi-major axis

7,832.655 km

Eccentricity

0.0016

Inclination

74.0288°

RAAN

183.8841°

Arg. of periapsis

250.2659°

True anomaly

285.3575°

Mean anomaly

285.5338°

Eccentric anomaly

285.44566°

Mean motion

3.13098 °/min

Orbital period

114.98 mins

BSTAR

0.000026111

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Other satellites on launch #36 in the year 1970 (1970-04-25 UTC)

COSMOS 339 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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	2025-08-18 23:04:43.778Z	225.384° WSW	2025-08-18 23:12:43.778Z	297.537° NW	36.24°	2025-08-18 23:20:43.778Z	8.72° NNE
14 mins	2025-08-19 07:14:43.778Z	359.276° N	2025-08-19 07:20:43.778Z	57.153° ENE	33.334°	2025-08-19 07:28:43.778Z	128.661° SE
14 mins	2025-08-19 09:11:43.778Z	325.139° NNW	2025-08-19 09:18:43.778Z	254.782° W	35.151°	2025-08-19 09:25:43.778Z	194.22° SSW
8 mins	2025-08-19 20:12:43.778Z	115.906° SE	2025-08-19 20:15:43.778Z	92.703° ESE	16.945°	2025-08-19 20:20:43.778Z	55.263° ENE