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COSMOS 970, 10531

Orbit data source: Space-Track

COSMOS 970, 10531 is a payload satellite owned by PKO (CIS) in LEO that was launched on Wed, 21 Dec 1977 UTC via a TSIKLON-2 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.

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https://www.satcat.com/sats-embedded/10531?theme=dark&initialShowStats=false

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Identifier

10531, 1977-121A

Orbit

LEO

Last TLE update

23 hours ago

Origin

Russian Space Forces (CIS)

Manufacturer

Kometa

Mission

Defense Weapon

Bus & Motor

IS, Unknown motor

Mass

1,400 kg wet, ~1,400 kg dry

Launch date (UTC)

1977-12-21 (48 years ago)

Launch vehicle

TSIKLON-2

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 4.0 m

Radar Cross Section

18.143 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 23 hours ago

0 COSMOS 970
1 10531U 77121A   25224.58278819 -.00000070  00000-0  89472-5 0  9994
2 10531  65.8521 183.3766 0147032 343.5002  16.1294 13.59856698757481

Epoch: 2025-08-12T13:59Z

TLE epoch observation values (Epoch: 2025-08-12T13:59:12.899Z)

Latitude

-0°

Longitude

12.2995°

Altitude

933.579 km

Speed

7.437 km/s

True Right ascension

12h 13m 30s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

25.09689°

Longitude

22.04307°

Altitude

959.931 km

Speed

7.413 km/s

Apparent Right ascension

13h 59m 45s

Apparent Declination

-5° 07' 31"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

03:32:16

Azimuth

36.996° NE

Elevation

-49.451°

Doppler factor

Orbital elements

Apogee altitude

1,143.731 km

Perigee altitude

925.745 km

Semi-major axis

7,412.875 km

Eccentricity

0.0147

Inclination

65.8521°

RAAN

183.3766°

Arg. of periapsis

343.5002°

True anomaly

16.60587°

Mean anomaly

16.1294°

Eccentric anomaly

16.36678°

Mean motion

3.40066 °/min

Orbital period

105.86 mins

BSTAR

0.0000089472

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Other satellites on launch #121 in the year 1977 (1977-12-21 UTC)

COSMOS 970 DEB, 10879

COSMOS 970 DEB, 10880

COSMOS 970 DEB, 10881

COSMOS 970 DEB, 10882

COSMOS 970 DEB, 10883

COSMOS 970 DEB, 10884

COSMOS 970 DEB, 10885

COSMOS 970 DEB, 10886

COSMOS 970 DEB, 10887

COSMOS 970 DEB, 10888

COSMOS 970 DEB, 10889

COSMOS 970 DEB, 10890

COSMOS 970 DEB, 12860

COSMOS 970 DEB, 12861

COSMOS 970 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.
10 mins	2025-08-13 21:51:51.837Z	168.18° S	2025-08-13 21:56:51.837Z	109.887° ESE	28.152°	2025-08-13 22:01:51.837Z	51.657° ENE
11 mins	2025-08-13 23:40:51.837Z	241.08° WSW	2025-08-13 23:45:51.837Z	312.233° NW	34.899°	2025-08-13 23:51:51.837Z	19.692° NNE
4 mins	2025-08-14 05:20:51.837Z	16.292° NNE	2025-08-14 05:22:51.837Z	34.525° NE	13.127°	2025-08-14 05:24:51.837Z	52.006° ENE
12 mins	2025-08-14 07:07:51.837Z	343.002° N	2025-08-14 07:12:51.837Z	41.814° NE	37.19°	2025-08-14 07:19:51.837Z	126.709° SE
10 mins	2025-08-14 08:57:51.837Z	302.264° NW	2025-08-14 09:01:51.837Z	255.765° W	29.315°	2025-08-14 09:07:51.837Z	191.894° SSW

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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Check out COSMOS 970, 10531 on other resources

View COSMOS 970, 10531 on NASA - NSSDCA Website

View COSMOS 970, 10531 on Heavens-Above

View COSMOS 970, 10531 on Keep Track

View COSMOS 970, 10531 on Celestrak

View COSMOS 970, 10531 on Gunter's Space Page

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