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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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
POLY, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 COSMOS 87
1 01585U 65073B 26302.97317050 -.00000094 00000-0 -65877-7 0 9990
2 01585 56.0611 281.4906 0203120 207.4805 186.9312 12.47464541782571Epoch: 2026-10-29T23:21Z
TLE epoch observation values (Epoch: 2026-10-29T23:21:21.931Z)
Latitude
27.8134°
Longitude
-86.46085°
Altitude
1,635.119 km
Speed
6.986 km/s
True Right ascension
20h 08m 43s
True Declination
27° 41' 14"
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
23:42:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,634.453 km
Perigee altitude
1,315.429 km
Semi-major axis
7,853.078 km
Eccentricity
0.02031
Inclination
56.0611°
RAAN
281.4906°
Arg. of periapsis
207.4805°
True anomaly
186.65723°
Mean anomaly
186.9312°
Eccentric anomaly
186.79353°
Mean motion
3.11877 °/min
Orbital period
115.43 mins
BSTAR
-6.5877e-8
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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 | 2026-10-30 05:19:59.382Z | 308.983° NW | 2026-10-30 05:26:59.382Z | 1.594° NNE | 29.221° | 2026-10-30 05:33:59.382Z | 57.488° ENE |
| 15 mins | 2026-10-30 07:22:59.382Z | 322.279° NNW | 2026-10-30 07:29:59.382Z | 26.571° NE | 47.211° | 2026-10-30 07:37:59.382Z | 101.654° ESE |
| 15 mins | 2026-10-30 09:23:59.382Z | 307.318° NW | 2026-10-30 09:30:59.382Z | 238.292° WSW | 61.017° | 2026-10-30 09:38:59.382Z | 155.917° SSE |
| 5 mins | 2026-10-30 22:23:59.382Z | 121.449° SE | 2026-10-30 22:25:59.382Z | 108.879° ESE | 12.205° | 2026-10-30 22:28:59.382Z | 90.388° ESE |
| 17 mins | 2026-10-31 00:16:59.382Z | 199.174° SSW | 2026-10-31 00:24:59.382Z | 125.874° SE | 58.402° | 2026-10-31 00:33:59.382Z | 51.505° ENE |
| 17 mins | 2026-10-31 02:17:59.382Z | 255.091° W | 2026-10-31 02:25:59.382Z | 326.663° NNW | 52.346° | 2026-10-31 02:34:59.382Z | 41.98° NE |
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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