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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

10 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 10 hours ago

0 COSMOS 256
1 03576U 68106A   25189.89298809  .00000047  00000-0  17081-3 0  9991
2 03576  74.0476 245.7695 0034248 316.7651 217.1265 13.16869776720501

Epoch: 2025-07-08T21:25Z

TLE epoch observation values (Epoch: 2025-07-08T21:25:54.17Z)

Latitude

6.02985°

Longitude

175.49082°

Altitude

1,219.306 km

Speed

7.235 km/s

True Right ascension

04h 16m 11s

True Declination

5° 59' 46"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

6.48511°

Longitude

-1.56514°

Altitude

1,182.095 km

Speed

7.271 km/s

Apparent Right ascension

13h 45m 12s

Apparent Declination

-29° 53' 44"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

19:40:53

Azimuth

245.624° WSW

Elevation

-17.897°

Doppler factor

Orbital elements

Apogee altitude

1,220.391 km

Perigee altitude

1,168.522 km

Semi-major axis

7,572.594 km

Eccentricity

0.00342

Inclination

74.0476°

RAAN

245.7695°

Arg. of periapsis

316.7651°

True anomaly

Unknown

Mean anomaly

217.1265°

Eccentric anomaly

Unknown

Mean motion

3.29364 °/min

Orbital period

109.3 mins

BSTAR

0.00017081

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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.
11 mins	2025-07-09 13:31:22.777Z	4.798° NNE	2025-07-09 13:37:22.777Z	59.29° ENE	21.839°	2025-07-09 13:42:22.777Z	103.701° ESE
13 mins	2025-07-09 15:23:22.777Z	335.076° NNW	2025-07-09 15:29:22.777Z	245.123° WSW	43.476°	2025-07-09 15:36:22.777Z	172.956° S
10 mins	2025-07-10 03:40:22.777Z	140.345° SSE	2025-07-10 03:44:22.777Z	96.398° ESE	25.775°	2025-07-10 03:50:22.777Z	40.735° NE
12 mins	2025-07-10 05:30:22.777Z	225.143° WSW	2025-07-10 05:35:22.777Z	291.506° WNW	38.322°	2025-07-10 05:42:22.777Z	9.481° 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.