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COSMOS 1803, 17177

Orbit data source: Space-Track

COSMOS 1803, 17177 is a payload satellite owned by VTS SA (CIS) in LEO that was launched on Tue, 02 Dec 1986 UTC via a TSIKLON-3 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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https://www.satcat.com/sats-embedded/17177?theme=dark&initialShowStats=false

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Identifier

17177, 1986-094A

Orbit

LEO

Country

CIS

Related business

Ministry of Defence of the Russian Federation (RU)

Manufacturer

NPO PM

Mission

Defense Geodetic

Bus & Motor

KAUR-1 11F666, Unknown motor

Mass

1,552 kg wet, 1,552 kg dry

Launch date (UTC)

1986-12-02 (39 years ago)

Launch vehicle

TSIKLON-3

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 2.9 m

Radar Cross Section

13.195 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 COSMOS 1803
1 17177U 86094A   25365.82028302 -.00000007  00000-0 -12222-3 0  9997
2 17177  82.6067 113.0155 0004252  92.8309  27.8066 12.41549214771180

Epoch: 2025-12-31T19:41Z

TLE epoch observation values (Epoch: 2025-12-31T19:41:12.452Z)

Latitude

58.63408°

Longitude

-114.99928°

Altitude

1,506.934 km

Speed

7.118 km/s

True Right ascension

18h 43m 08s

True Declination

58° 29' 44"

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

08:39:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,500.741 km

Perigee altitude

1,494.043 km

Semi-major axis

7,875.529 km

Eccentricity

0.00043

Inclination

82.6067°

RAAN

113.0155°

Arg. of periapsis

92.8309°

True anomaly

27.82934°

Mean anomaly

27.8066°

Eccentric anomaly

27.81797°

Mean motion

3.10544 °/min

Orbital period

115.93 mins

BSTAR

-0.00012222

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Other satellites on launch #94 in the year 1986 (1986-12-02 UTC)

SL-14 DEB, 43321

SL-14 R/B, 17178

SL-14 DEB, 43320

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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COSMOS 1803 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.
5 mins	2026-01-01 16:58:58.663Z	44.318° NE	2026-01-01 17:00:58.663Z	58.834° ENE	13.012°	2026-01-01 17:03:58.663Z	80.183° E
16 mins	2026-01-01 18:51:58.663Z	357.717° N	2026-01-01 18:59:58.663Z	95.427° ESE	43.264°	2026-01-01 19:07:58.663Z	163.998° S
11 mins	2026-01-01 20:50:58.663Z	318.396° NNW	2026-01-01 20:55:58.663Z	276.734° WNW	21.762°	2026-01-01 21:01:58.663Z	232.113° WSW
7 mins	2026-01-02 06:01:58.663Z	95.604° ESE	2026-01-02 06:04:58.663Z	72.944° E	14.825°	2026-01-02 06:08:58.663Z	44.905° NE
15 mins	2026-01-02 07:52:58.663Z	181.514° SSW	2026-01-02 07:59:58.663Z	109.736° ESE	44.848°	2026-01-02 08:07:58.663Z	9.084° NNE

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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 1803, 17177 on other resources

View COSMOS 1803, 17177 on NASA - NSSDCA Website

View COSMOS 1803, 17177 on Heavens-Above

View COSMOS 1803, 17177 on Keep Track

View COSMOS 1803, 17177 on Celestrak

View COSMOS 1803, 17177 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 1803, 17177

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2025-12-31T19:41:12.452Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #94 in the year 1986 (1986-12-02 UTC)

COSMOS 1803 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 1803, 17177 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago