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COSMOS 516, 6154

Orbit data source: Space-Track

COSMOS 516, 6154 is a payload satellite owned by TSKBM (CIS) in LEO that was launched on Mon, 21 Aug 1972 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/6154?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

6154, 1972-066A

Orbit

LEO

Last TLE update

23 hours ago

Origin

Machine Building Special Design Bureau (CIS)

Manufacturer

TSKBM/KB1

Mission

Defense Sigint

Bus & Motor

US-A REACTOR, Unknown motor

Mass

3,800 kg wet, 1,150 kg dry

Launch date (UTC)

1972-08-21 (53 years ago)

Launch vehicle

TSIKLON-2

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cone + Cyl, 2.9 m

Radar Cross Section

6.586 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 23 hours ago

0 COSMOS 516
1 06154U 72066A   25221.52895947 -.00000040  00000-0  47264-4 0  9990
2 06154  64.8098 274.6198 0075539 199.1399 160.6815 13.77793511664984

Epoch: 2025-08-09T12:41Z

TLE epoch observation values (Epoch: 2025-08-09T12:41:42.098Z)

Latitude

-0.00005°

Longitude

125.93101°

Altitude

1,026.075 km

Speed

7.313 km/s

True Right ascension

18h 18m 28s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

44.49242°

Longitude

150.83812°

Altitude

1,024.502 km

Speed

7.321 km/s

Apparent Right ascension

17h 03m 54s

Apparent Declination

8° 45' 15"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

01:51:41

Azimuth

306.334° NW

Elevation

-24.146°

Doppler factor

Orbital elements

Apogee altitude

1,025.87 km

Perigee altitude

914.85 km

Semi-major axis

7,348.497 km

Eccentricity

0.00755

Inclination

64.8098°

RAAN

274.6198°

Arg. of periapsis

199.1399°

True anomaly

160.96533°

Mean anomaly

160.6815°

Eccentric anomaly

160.82367°

Mean motion

3.44545 °/min

Orbital period

104.49 mins

BSTAR

0.000047264

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Other satellites on launch #66 in the year 1972 (1972-08-21 UTC)

COSMOS 516 DEB (ANTENNA), 6196 (Decayed)

COSMOS 516 DEB (PELPS), 6199 (Decayed)

COSMOS 516 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.
5 mins	2025-08-10 11:51:21.421Z	4.086° NNE	2025-08-10 11:54:21.421Z	33.132° NE	12.926°	2025-08-10 11:56:21.421Z	52.76° ENE
10 mins	2025-08-10 13:38:21.421Z	339.709° N	2025-08-10 13:43:21.421Z	53.774° ENE	38.581°	2025-08-10 13:48:21.421Z	126.483° SE
8 mins	2025-08-10 15:27:21.421Z	292.831° NW	2025-08-10 15:30:21.421Z	255.39° W	23.728°	2025-08-10 15:35:21.421Z	197.951° SSW
11 mins	2025-08-11 04:53:21.421Z	199.187° SSW	2025-08-11 04:58:21.421Z	129.532° SE	43.479°	2025-08-11 05:04:21.421Z	36.643° NE
8 mins	2025-08-11 06:43:21.421Z	276.244° WNW	2025-08-11 06:46:21.421Z	310.9° NW	23.143°	2025-08-11 06:51:21.421Z	7.45° NNE

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 516, 6154 on other resources

View COSMOS 516, 6154 on NASA - NSSDCA Website

View COSMOS 516, 6154 on Heavens-Above

View COSMOS 516, 6154 on Keep Track

View COSMOS 516, 6154 on Celestrak

View COSMOS 516, 6154 on Gunter's Space Page

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