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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17177 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
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)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 2.9 m
Radar Cross Section
13.195 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 COSMOS 1803
1 17177U 86094A 26150.60481902 .00000035 00000-0 18471-3 0 9996
2 17177 82.6083 21.3905 0004146 112.3648 275.0721 12.41549410789775Epoch: 2026-05-30T14:30Z
TLE epoch observation values (Epoch: 2026-05-30T14:30:56.363Z)
Latitude
27.17834°
Longitude
-80.66219°
Altitude
1,502.912 km
Speed
7.115 km/s
True Right ascension
01h 40m 45s
True Declination
27° 03' 07"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
16:15:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,500.656 km
Perigee altitude
1,494.126 km
Semi-major axis
7,875.528 km
Eccentricity
0.00041
Inclination
82.6083°
RAAN
21.3905°
Arg. of periapsis
112.3648°
True anomaly
275.02477°
Mean anomaly
275.0721°
Eccentric anomaly
275.04844°
Mean motion
3.10544 °/min
Orbital period
115.93 mins
BSTAR
0.00018471
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Other satellites on launch #94 in the year 1986 (1986-12-02 UTC)
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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.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. |
|---|---|---|---|---|---|---|---|
| 16 mins | 2026-05-31 15:35:07.182Z | 169.601° S | 2026-05-31 15:43:07.182Z | 104.48° ESE | 41.613° | 2026-05-31 15:51:07.182Z | 15.151° NNE |
| 13 mins | 2026-05-31 17:35:07.182Z | 241.757° WSW | 2026-05-31 17:41:07.182Z | 292.573° NW | 25.02° | 2026-05-31 17:48:07.182Z | 347.128° N |
| 12 mins | 2026-06-01 01:49:07.182Z | 20.252° NNE | 2026-06-01 01:55:07.182Z | 75.152° E | 26.335° | 2026-06-01 02:01:07.182Z | 123.759° SE |
| 15 mins | 2026-06-01 03:45:07.182Z | 342.168° N | 2026-06-01 03:52:07.182Z | 266.145° W | 40.6° | 2026-06-01 04:00:07.182Z | 193.56° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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