COSMOS 1897, 18575
Orbit data source: Space-Track
COSMOS 1897, 18575 is a payload satellite owned by UNKS (CIS) in GEO that was launched on Thu, 26 Nov 1987 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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18575 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Non-operational Defense Communications
Bus & Motor
KAUR-4 AL'TAIR, Unknown motor
Mass
2,400 kg wet, ~2,200 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 2.5 m
Radar Cross Section
9.425 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 COSMOS 1897
1 18575U 87096A 26251.94816012 -.00000313 00000-0 00000+0 0 9990
2 18575 10.9140 326.3746 0006913 161.3065 298.6361 1.00283873142032Epoch: 2026-09-08T22:45Z
TLE epoch observation values (Epoch: 2026-09-08T22:45:21.034Z)
Latitude
10.74646°
Longitude
97.10018°
Altitude
35,768.203 km
Speed
3.076 km/s
True Right ascension
04h 25m 46s
True Declination
10° 44' 09"
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
10:20:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,813.368 km
Perigee altitude
35,755.074 km
Semi-major axis
42,162.358 km
Eccentricity
0.00069
Inclination
10.914°
RAAN
326.3746°
Arg. of periapsis
161.3065°
True anomaly
298.56654°
Mean anomaly
298.6361°
Eccentric anomaly
298.60132°
Mean motion
0.2507 °/min
Orbital period
1,435.97 mins
BSTAR
0
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Other satellites on launch #96 in the year 1987 (1987-11-26 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 1897 Visibility
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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. |
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| COSMOS 1897 is likely not visible in the next few days. |
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18575 neighbors
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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
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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