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COSMOS 1603, 15333

Orbit data source: Space-Track

COSMOS 1603, 15333 is a payload satellite owned by TsNII-108 (CIS) in LEO that was launched on Fri, 28 Sep 1984 UTC via a PROTON-K/DM-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/15333?theme=dark&initialShowStats=false

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Identifier

15333, 1984-106A

Orbit

LEO

Country

CIS

Related business

Central Scientific Research Institute of Precision Instrument Engineering (TsNII-108) (RU)

Manufacturer

Yuzhnoe

Mission

Spacecraft

Bus & Motor

TSELINA-2, Unknown motor

Mass

3,250 kg wet, 3,250 kg dry

Launch date (UTC)

1984-09-28 (42 years ago)

Launch vehicle

PROTON-K/DM-2

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago

0 COSMOS 1603
1 15333U 84106A   26171.39556212  .00000199  00000-0  12811-3 0  9999
2 15333  71.0265  41.1356 0021289 239.4274 120.4748 14.14517244153199

Epoch: 2026-06-20T09:29Z

TLE epoch observation values (Epoch: 2026-06-20T09:29:36.567Z)

Latitude

-0.00004°

Longitude

-9.87757°

Altitude

854.179 km

Speed

7.422 km/s

True Right ascension

02h 44m 32s

True Declination

0° 00' 00"

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

23:21:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

857.248 km

Perigee altitude

826.507 km

Semi-major axis

7,220.015 km

Eccentricity

0.00213

Inclination

71.0265°

RAAN

41.1356°

Arg. of periapsis

239.4274°

True anomaly

120.68477°

Mean anomaly

120.4748°

Eccentric anomaly

120.57981°

Mean motion

3.53782 °/min

Orbital period

101.76 mins

BSTAR

0.00012811

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Other satellites on launch #106 in the year 1984 (1984-09-28 UTC)

SL-12 DEB, 22142 (Decayed)

SL-12 DEB, 22145 (Decayed)

SL-12 DEB, 22148 (Decayed)

SL-12 DEB, 22146 (Decayed)

SL-12 R/B(1), 15336 (Decayed)

SL-12 R/B(2), 15334

SL-12 DEB, 22149 (Decayed)

SL-12 DEB, 22159 (Decayed)

SL-12 PLAT, 15337 (Decayed)

SL-12 DEB, 22141 (Decayed)

SL-12 R/B(AUX MOTOR), 15335

SL-12 DEB, 22154 (Decayed)

SL-12 DEB, 22152 (Decayed)

SL-12 R/B(AUX MOTOR), 15338

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COSMOS 1603 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.
10 mins	2026-06-22 15:54:46.596Z	180.437° SSW	2026-06-22 15:59:46.596Z	107.654° ESE	38.05°	2026-06-22 16:04:46.596Z	34.615° NE
7 mins	2026-06-22 17:40:46.596Z	261.295° W	2026-06-22 17:43:46.596Z	299.281° NW	22°	2026-06-22 17:47:46.596Z	351.622° N
6 mins	2026-06-23 00:51:46.596Z	19.216° NNE	2026-06-23 00:53:46.596Z	46.351° ENE	21.306°	2026-06-23 00:57:46.596Z	99.084° ESE
9 mins	2026-06-23 02:34:46.596Z	321.788° NNW	2026-06-23 02:38:46.596Z	248.277° W	38.37°	2026-06-23 02:43:46.596Z	178.332° S

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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 1603, 15333 on other resources

View COSMOS 1603, 15333 on NASA - NSSDCA Website

View COSMOS 1603, 15333 on Heavens-Above

View COSMOS 1603, 15333 on Keep Track

View COSMOS 1603, 15333 on Celestrak

View COSMOS 1603, 15333 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 1603, 15333

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T09:29:36.567Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #106 in the year 1984 (1984-09-28 UTC)

COSMOS 1603 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 1603, 15333 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago