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COSMOS 1561, 15000

Orbit data source: Space-Track

COSMOS 1561, 15000 is a payload satellite owned by GUKOS (CIS) in LEO that was launched on Mon, 28 May 1984 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/15000?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/15000?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

15000, 1984-052C

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

NPO PM

Mission

Spacecraft

Bus & Motor

STRELA-1 11F625, Unknown motor

Mass

60 kg wet, 60 kg dry

Launch date (UTC)

1984-05-28 (42 years ago)

Launch vehicle

KOSMOS 11K65M

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 COSMOS 1561
1 15000U 84052C   26128.87901852 -.00000001  00000-0  10132-3 0  9996
2 15000  74.0113  83.0339 0015509 310.0481 112.6985 12.47990807910837

Epoch: 2026-05-08T21:05Z

TLE epoch observation values (Epoch: 2026-05-08T21:05:47.200Z)

Latitude

58.95135°

Longitude

-71.84757°

Altitude

1,487.22 km

Speed

7.124 km/s

True Right ascension

07h 25m 12s

True Declination

58° 48' 48"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

11:09:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,482.922 km

Perigee altitude

1,458.576 km

Semi-major axis

7,848.886 km

Eccentricity

0.00155

Inclination

74.0113°

RAAN

83.0339°

Arg. of periapsis

310.0481°

True anomaly

112.86233°

Mean anomaly

112.6985°

Eccentric anomaly

112.78043°

Mean motion

3.12127 °/min

Orbital period

115.34 mins

BSTAR

0.00010132

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Other satellites on launch #52 in the year 1984 (1984-05-28 UTC)

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COSMOS 1561 Visibility forecast

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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	2026-05-09 06:57:36.436Z	357.088° N	2026-05-09 07:04:36.436Z	53.655° ENE	29.024°	2026-05-09 07:12:36.436Z	119.933° SE
15 mins	2026-05-09 08:55:36.436Z	331.329° NNW	2026-05-09 09:02:36.436Z	270.564° WNW	39.748°	2026-05-09 09:10:36.436Z	184.878° SSW
6 mins	2026-05-09 20:00:36.436Z	105.137° ESE	2026-05-09 20:03:36.436Z	83.353° E	13.174°	2026-05-09 20:06:36.436Z	62.484° ENE
15 mins	2026-05-09 21:52:36.436Z	188.898° SSW	2026-05-09 21:59:36.436Z	84.664° E	44.318°	2026-05-09 22:07:36.436Z	21.876° NNE
12 mins	2026-05-09 23:52:36.436Z	262.211° W	2026-05-09 23:57:36.436Z	302.696° NW	22.663°	2026-05-10 00:04:36.436Z	357.954° N

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out COSMOS 1561, 15000 on other resources

View COSMOS 1561, 15000 on NASA - NSSDCA Website

View COSMOS 1561, 15000 on Heavens-Above

View COSMOS 1561, 15000 on Keep Track

View COSMOS 1561, 15000 on Celestrak

View COSMOS 1561, 15000 on Gunter's Space Page

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

COSMOS 1561, 15000

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-05-08T21:05:47.200Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #52 in the year 1984 (1984-05-28 UTC)

COSMOS 1561 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 1561, 15000 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago