Showing default

COSMOS 340, 4387

Orbit data source: Space-Track

COSMOS 340, 4387 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/4387?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/4387?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

4387, 1970-036E

Orbit

LEO

Last TLE update

7 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 7 hours ago

0 COSMOS 340
1 04387U 70036E   25230.60641985 -.00000013  00000-0  17569-4 0  9996
2 04387  74.0318 319.3921 0039993 349.3489 121.9034 12.56329512536389

Epoch: 2025-08-18T14:33Z

TLE epoch observation values (Epoch: 2025-08-18T14:33:14.675Z)

Latitude

63.42827°

Longitude

-80.83202°

Altitude

1,465.286 km

Speed

7.128 km/s

True Right ascension

06h 58m 45s

True Declination

63° 18' 10"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

64.43557°

Longitude

169.98445°

Altitude

1,443.738 km

Speed

7.148 km/s

Apparent Right ascension

00h 21m 08s

Apparent Declination

19° 51' 58"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:48:04

Azimuth

7.308° NNE

Elevation

-29.888°

Doppler factor

Orbital elements

Apogee altitude

1,467.21 km

Perigee altitude

1,404.708 km

Semi-major axis

7,814.096 km

Eccentricity

0.004

Inclination

74.0318°

RAAN

319.3921°

Arg. of periapsis

349.3489°

True anomaly

122.29143°

Mean anomaly

121.9034°

Eccentric anomaly

122.09752°

Mean motion

3.14214 °/min

Orbital period

114.57 mins

BSTAR

0.000017569

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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

COSMOS 340 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.
9 mins	2025-08-19 05:22:28.994Z	126.344° SE	2025-08-19 05:27:28.994Z	88.008° E	17.27°	2025-08-19 05:31:28.994Z	57.081° ENE
15 mins	2025-08-19 07:16:28.994Z	200.044° SSW	2025-08-19 07:23:28.994Z	344.477° N	44.654°	2025-08-19 07:31:28.994Z	18.24° NNE
9 mins	2025-08-19 09:17:28.994Z	278.918° WNW	2025-08-19 09:21:28.994Z	311.852° NW	18.399°	2025-08-19 09:26:28.994Z	350.489° N
10 mins	2025-08-19 15:24:28.994Z	14.471° NNE	2025-08-19 15:28:28.994Z	47.42° ENE	20.687°	2025-08-19 15:34:28.994Z	95.202° ESE
16 mins	2025-08-19 17:19:28.994Z	340.048° N	2025-08-19 17:27:28.994Z	186.975° SSW	44.696°	2025-08-19 17:35:28.994Z	165.392° S
7 mins	2025-08-19 19:19:28.994Z	295.35° NW	2025-08-19 19:22:28.994Z	272.722° WNW	15.576°	2025-08-19 19:26:28.994Z	243.031° WSW