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COSMOS 1559, 14998

Orbit data source: Space-Track

COSMOS 1559, 14998 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 URL

https://www.satcat.com/sats-embedded/14998?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

14998, 1984-052A

Orbit

LEO

Last TLE update

13 hours ago

Origin

Russian Space Forces (CIS)

Manufacturer

NPO PM

Mission

Defense Communications

Bus & Motor

STRELA-1 11F625, Unknown motor

Mass

60 kg wet, 60 kg dry

Launch date (UTC)

1984-05-28 (41 years ago)

Launch vehicle

KOSMOS 11K65M

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, 0.8 m

Radar Cross Section

0.588 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 COSMOS 1559
1 14998U 84052A   25183.57120192 -.00000009  00000-0  46895-4 0  9992
2 14998  74.0135 283.0852 0026062 280.0085  91.1135 12.43973678866066

Epoch: 2025-07-02T13:42Z

TLE epoch observation values (Epoch: 2025-07-02T13:42:31.845Z)

Latitude

10.9339°

Longitude

159.75924°

Altitude

1,491.88 km

Speed

7.119 km/s

True Right ascension

19h 04m 58s

True Declination

10° 52' 34"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-44.09954°

Longitude

-8.05807°

Altitude

1,493.989 km

Speed

7.122 km/s

Apparent Right ascension

05h 17m 54s

Apparent Declination

-50° 48' 07"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:11:34

Azimuth

235.487° WSW

Elevation

-56.142°

Doppler factor

Orbital elements

Apogee altitude

1,508.146 km

Perigee altitude

1,467.147 km

Semi-major axis

7,865.783 km

Eccentricity

0.00261

Inclination

74.0135°

RAAN

283.0852°

Arg. of periapsis

280.0085°

True anomaly

Unknown

Mean anomaly

91.1135°

Eccentric anomaly

Unknown

Mean motion

3.11122 °/min

Orbital period

115.71 mins

BSTAR

0.000046895

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

COSMOS 1559 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.
16 mins	2025-07-03 07:05:32.783Z	172.992° S	2025-07-03 07:13:32.783Z	106.921° ESE	38.182°	2025-07-03 07:21:32.783Z	29.861° NE
14 mins	2025-07-03 09:05:32.783Z	240.811° WSW	2025-07-03 09:12:32.783Z	305.171° NW	30.937°	2025-07-03 09:19:32.783Z	3.393° NNE
6 mins	2025-07-03 15:20:32.783Z	22.409° NNE	2025-07-03 15:23:32.783Z	43.47° NE	12.78°	2025-07-03 15:26:32.783Z	64.076° ENE
15 mins	2025-07-03 17:16:32.783Z	351.338° N	2025-07-03 17:23:32.783Z	61.552° ENE	39.837°	2025-07-03 17:31:32.783Z	141.375° SSE
13 mins	2025-07-03 19:15:32.783Z	315.819° NNW	2025-07-03 19:21:32.783Z	262.525° W	28.05°	2025-07-03 19:28:32.783Z	207.587° SW

Authenticating...

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Check out COSMOS 1559, 14998 on other resources

View COSMOS 1559, 14998 on NASA - NSSDCA Website

View COSMOS 1559, 14998 on Heavens-Above

View COSMOS 1559, 14998 on Keep Track

View COSMOS 1559, 14998 on Celestrak

View COSMOS 1559, 14998 on Gunter's Space Page

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