COSMOS 87, 1585
Orbit data source: Space-Track
COSMOS 87, 1585 is a payload satellite owned by OKB-10 (CIS) in LEO that was launched on Sat, 18 Sep 1965 UTC via a KOSMOS 65S3 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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1585 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
OKB-10
Mission
Spacecraft
Bus & Motor
STRELA-1 11F610, Unknown motor
Mass
50 kg wet, 50 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 COSMOS 87
1 1585U 65073B 25317.52574259 -.00000072 00000-0 14853-3 0 9991
2 1585 56.0574 143.3842 0206216 97.5578 294.7193 12.47460998738846Epoch: 2025-11-13T12:37Z
TLE epoch observation values (Epoch: 2025-11-13T12:37:04.159Z)
Latitude
24.64665°
Longitude
-80.86995°
Altitude
1,411.364 km
Speed
7.187 km/s
True Right ascension
10h 45m 07s
True Declination
24° 31' 39"
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
21:44:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,636.9 km
Perigee altitude
1,313.013 km
Semi-major axis
7,853.093 km
Eccentricity
0.02062
Inclination
56.0574°
RAAN
143.3842°
Arg. of periapsis
97.5578°
True anomaly
292.54991°
Mean anomaly
294.7193°
Eccentric anomaly
293.63689°
Mean motion
3.11876 °/min
Orbital period
115.43 mins
BSTAR
0.00014853
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Other satellites on launch #73 in the year 1965 (1965-09-18 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 87 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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2025-11-14 13:33:39.587Z | 182.235° SSW | 2025-11-14 13:40:39.587Z | 121.381° SE | 30.775° | 2025-11-14 13:47:39.587Z | 60.31° ENE |
| 15 mins | 2025-11-14 15:33:39.587Z | 241.348° WSW | 2025-11-14 15:40:39.587Z | 315.803° NNW | 42.023° | 2025-11-14 15:48:39.587Z | 41.999° NE |
| 11 mins | 2025-11-14 17:37:39.587Z | 296.885° NW | 2025-11-14 17:42:39.587Z | 343.42° N | 25.454° | 2025-11-14 17:48:39.587Z | 38.456° NE |
| 12 mins | 2025-11-14 19:40:39.587Z | 324.405° NNW | 2025-11-14 19:45:39.587Z | 10.606° NNE | 25.332° | 2025-11-14 19:52:39.587Z | 71.273° E |
| 14 mins | 2025-11-14 21:41:39.587Z | 320.895° NNW | 2025-11-14 21:47:39.587Z | 27.047° NE | 41.913° | 2025-11-14 21:55:39.587Z | 120.009° SE |
| 12 mins | 2025-11-14 23:42:39.587Z | 292.963° NW | 2025-11-14 23:47:39.587Z | 244.608° WSW | 30.033° | 2025-11-14 23:54:39.587Z | 179.261° S |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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