Showing default

COSMOS 81, 1571

Orbit data source: Space-Track

COSMOS 81, 1571 is a payload satellite owned by OKB-10 (CIS) in LEO that was launched on Fri, 03 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/1571?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/1571?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

1571, 1965-070B

Orbit

LEO

Last TLE update

10 hours ago

Origin

Federal Space Agency of Russia (Roscosmos) (CIS)

Manufacturer

OKB-10

Mission

Defense Communications

Bus & Motor

STRELA-1 11F610, Unknown motor

Mass

50 kg wet, 50 kg dry

Launch date (UTC)

1965-09-03 (60 years ago)

Launch vehicle

KOSMOS 65S3

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Poly, 0.8 m

Radar Cross Section

0.731 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 COSMOS 81
1 01571U 65070B   25182.45151047 -.00000093  00000-0  16770-4 0  9995
2 01571  56.0615  65.9463 0087230 338.1931 193.0051 12.48862735728800

Epoch: 2025-07-01T10:50Z

TLE epoch observation values (Epoch: 2025-07-01T10:50:10.504Z)

Latitude

7.44287°

Longitude

158.6368°

Altitude

1,536.383 km

Speed

7.069 km/s

True Right ascension

16h 03m 42s

True Declination

7° 24' 11"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-54.49377°

Longitude

-87.30285°

Altitude

1,451.115 km

Speed

7.154 km/s

Apparent Right ascension

22h 07m 45s

Apparent Declination

-49° 58' 05"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

08:42:20

Azimuth

229.099° WSW

Elevation

-71.95°

Doppler factor

Orbital elements

Apogee altitude

1,537.529 km

Perigee altitude

1,400.627 km

Semi-major axis

7,847.215 km

Eccentricity

0.00872

Inclination

56.0615°

RAAN

65.9463°

Arg. of periapsis

338.1931°

True anomaly

Unknown

Mean anomaly

193.0051°

Eccentric anomaly

Unknown

Mean motion

3.12227 °/min

Orbital period

115.3 mins

BSTAR

0.00001677

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #70 in the year 1965 (1965-09-03 UTC)

COSMOS 81 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.
15 mins	2025-07-01 21:45:09.173Z	291.885° WNW	2025-07-01 21:52:09.173Z	345.511° N	26.371°	2025-07-01 22:00:09.173Z	48.045° ENE
14 mins	2025-07-01 23:49:09.173Z	320.822° NNW	2025-07-01 23:56:09.173Z	21.731° NNE	29.023°	2025-07-02 00:03:09.173Z	77.379° E
16 mins	2025-07-02 01:50:09.173Z	317.346° NNW	2025-07-02 01:58:09.173Z	61.526° ENE	44.04°	2025-07-02 02:06:09.173Z	127.512° SE
14 mins	2025-07-02 03:51:09.173Z	294.501° NW	2025-07-02 03:58:09.173Z	236.466° WSW	27.939°	2025-07-02 04:05:09.173Z	184.363° SSW
12 mins	2025-07-02 16:46:09.173Z	162.685° S	2025-07-02 16:52:09.173Z	111.734° ESE	23.502°	2025-07-02 16:58:09.173Z	66.843° ENE
16 mins	2025-07-02 18:44:09.173Z	227.535° WSW	2025-07-02 18:51:09.173Z	302.095° NW	44.82°	2025-07-02 19:00:09.173Z	44.993° NE
14 mins	2025-07-02 20:46:09.173Z	280.259° WNW	2025-07-02 20:53:09.173Z	342.381° N	29.871°	2025-07-02 21:00:09.173Z	40.307° NE

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

Check out COSMOS 81, 1571 on other resources

View COSMOS 81, 1571 on NASA - NSSDCA Website

View COSMOS 81, 1571 on Heavens-Above

View COSMOS 81, 1571 on Keep Track

View COSMOS 81, 1571 on Celestrak

View COSMOS 81, 1571 on Gunter's Space Page

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