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: 7 hours ago
TLE from 7 hours ago
0 COSMOS 1803
1 17177U 86094A 26061.00250124 .00000005 00000-0 -37261-4 0 9998
2 17177 82.6004 76.1964 0002661 335.1905 83.3245 12.41549360778652Epoch: 2026-03-02T00:03Z
TLE epoch observation values (Epoch: 2026-03-02T00:03:36.107Z)
Latitude
57.86286°
Longitude
-72.63439°
Altitude
1,509.482 km
Speed
7.115 km/s
True Right ascension
05h 52m 16s
True Declination
57° 43' 21"
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
10:34:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,499.487 km
Perigee altitude
1,495.296 km
Semi-major axis
7,875.528 km
Eccentricity
0.00027
Inclination
82.6004°
RAAN
76.1964°
Arg. of periapsis
335.1905°
True anomaly
83.35479°
Mean anomaly
83.3245°
Eccentric anomaly
83.33964°
Mean motion
3.10544 °/min
Orbital period
115.93 mins
BSTAR
-0.000037261
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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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2026-03-02 11:57:49.602Z | 5.46° NNE | 2026-03-02 12:05:49.602Z | 82.655° E | 35.609° | 2026-03-02 12:12:49.602Z | 144.066° SSE |
| 14 mins | 2026-03-02 13:55:49.602Z | 332.028° NNW | 2026-03-02 14:01:49.602Z | 278.356° WNW | 31.571° | 2026-03-02 14:09:49.602Z | 211.07° SW |
| 15 mins | 2026-03-03 00:58:49.602Z | 162.103° S | 2026-03-03 01:05:49.602Z | 97.365° ESE | 39.31° | 2026-03-03 01:13:49.602Z | 17.439° NNE |
| 13 mins | 2026-03-03 02:57:49.602Z | 238.409° WSW | 2026-03-03 03:03:49.602Z | 294.694° NW | 27.804° | 2026-03-03 03:10:49.602Z | 349.605° N |
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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