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COSMOS 256, 3576

Orbit data source: Space-Track

COSMOS 256, 3576 is a payload satellite owned by OKB-10 (CIS) in LEO that was launched on Sat, 30 Nov 1968 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 src="https://www.satcat.com/sats-embedded/3576?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/3576?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

3576, 1968-106A

Orbit

LEO

Last TLE update

16 hours ago

Origin

Federal Space Agency of Russia (Roscosmos) (CIS)

Manufacturer

OKB-10

Mission

Defense Geodetic

Bus & Motor

KAUR-1 11F621, Unknown motor

Mass

800 kg wet, 800 kg dry

Launch date (UTC)

1968-11-30 (57 years ago)

Launch vehicle

KOSMOS 11K65M

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere + 2 Pan, 17 m

Radar Cross Section

2.011 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 16 hours ago

0 COSMOS 256
1  3576U 68106A   25188.90533419 -.00000095  00000-0 -19584-3 0  9996
2  3576  74.0477 247.2497 0034233 318.4154 214.9583 13.16869770720771

Epoch: 2025-07-07T21:43Z

TLE epoch observation values (Epoch: 2025-07-07T21:43:40.874Z)

Latitude

6.51875°

Longitude

173.35911°

Altitude

1,219.842 km

Speed

7.235 km/s

True Right ascension

04h 21m 32s

True Declination

6° 28' 57"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

55.27157°

Longitude

18.4564°

Altitude

1,210.493 km

Speed

7.252 km/s

Apparent Right ascension

15h 41m 47s

Apparent Declination

15° 25' 21"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

01:39:45

Azimuth

326.413° NNW

Elevation

-27.799°

Doppler factor

Orbital elements

Apogee altitude

1,220.38 km

Perigee altitude

1,168.533 km

Semi-major axis

7,572.594 km

Eccentricity

0.00342

Inclination

74.0477°

RAAN

247.2497°

Arg. of periapsis

318.4154°

True anomaly

Unknown

Mean anomaly

214.9583°

Eccentric anomaly

Unknown

Mean motion

3.29364 °/min

Orbital period

109.3 mins

BSTAR

-0.00019584

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Other satellites on launch #106 in the year 1968 (1968-11-30 UTC)

SL-8 R/B, 3577

COSMOS 256 Visibility forecast

Observer location: undefined°, undefined°

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.
12 mins	2025-07-08 13:49:11.993Z	1.979° NNE	2025-07-08 13:55:11.993Z	56.243° ENE	24.09°	2025-07-08 14:01:11.993Z	110.925° ESE
13 mins	2025-07-08 15:41:11.993Z	332.623° NNW	2025-07-08 15:47:11.993Z	259.08° W	41.801°	2025-07-08 15:54:11.993Z	178.065° S
11 mins	2025-07-09 03:57:11.993Z	152.292° SSE	2025-07-09 04:02:11.993Z	100.389° ESE	28.538°	2025-07-09 04:08:11.993Z	39.759° NE
12 mins	2025-07-09 05:48:11.993Z	229.127° WSW	2025-07-09 05:53:11.993Z	286.124° WNW	35.649°	2025-07-09 06:00:11.993Z	6.762° NNE

Authenticating...

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Check out COSMOS 256, 3576 on other resources

View COSMOS 256, 3576 on NASA - NSSDCA Website

View COSMOS 256, 3576 on Heavens-Above

View COSMOS 256, 3576 on Keep Track

View COSMOS 256, 3576 on Celestrak

View COSMOS 256, 3576 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.