COSMOS 1954, 19256
Orbit data source: Space-Track
COSMOS 1954, 19256 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Tue, 21 Jun 1988 UTC via a KOSMOS 11K65M 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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19256 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-2M, Unknown motor
Mass
800 kg wet, 800 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 1.5 m
Radar Cross Section
6.283 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 COSMOS 1954
1 19256U 88053A 26171.32146237 .00000088 00000-0 39911-4 0 9995
2 19256 74.0476 37.3845 0015071 48.7064 311.5383 14.34988342987448Epoch: 2026-06-20T07:42Z
TLE epoch observation values (Epoch: 2026-06-20T07:42:54.348Z)
Latitude
-0.00005°
Longitude
13.12028°
Altitude
770.575 km
Speed
7.473 km/s
True Right ascension
02h 29m 32s
True Declination
0° 00' 00"
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
23:08:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
783.506 km
Perigee altitude
761.952 km
Semi-major axis
7,150.866 km
Eccentricity
0.00151
Inclination
74.0476°
RAAN
37.3845°
Arg. of periapsis
48.7064°
True anomaly
311.40887°
Mean anomaly
311.5383°
Eccentric anomaly
311.4736°
Mean motion
3.58926 °/min
Orbital period
100.3 mins
BSTAR
0.000039911
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Other satellites on launch #53 in the year 1988 (1988-06-21 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 1954 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 15:03:10.943Z | 147.82° SSE | 2026-06-22 15:06:10.943Z | 107.5° ESE | 23.123° | 2026-06-22 15:10:10.943Z | 49.225° ENE |
| 8 mins | 2026-06-22 16:45:10.943Z | 237.029° WSW | 2026-06-22 16:48:10.943Z | 283.695° WNW | 30.06° | 2026-06-22 16:53:10.943Z | 1.145° NNE |
| 8 mins | 2026-06-23 01:32:10.943Z | 0.001° NNE | 2026-06-23 01:36:10.943Z | 77.166° E | 34.928° | 2026-06-23 01:40:10.943Z | 136.016° SSE |
| 6 mins | 2026-06-23 03:15:10.943Z | 298.033° NW | 2026-06-23 03:18:10.943Z | 255.127° W | 19.447° | 2026-06-23 03:21:10.943Z | 218.392° SW |
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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