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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 COSMOS 87
1 01585U 65073B 26119.56638409 -.00000112 00000-0 -11356-3 0 9995
2 01585 56.0631 54.4354 0202917 322.2806 210.4104 12.47462997759689Epoch: 2026-04-29T13:35Z
TLE epoch observation values (Epoch: 2026-04-29T13:35:35.585Z)
Latitude
6.97441°
Longitude
168.31259°
Altitude
1,613.787 km
Speed
7.002 km/s
True Right ascension
15h 18m 56s
True Declination
6° 56' 15"
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
08:36:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,634.299 km
Perigee altitude
1,315.595 km
Semi-major axis
7,853.084 km
Eccentricity
0.02029
Inclination
56.0631°
RAAN
54.4354°
Arg. of periapsis
322.2806°
True anomaly
209.25867°
Mean anomaly
210.4104°
Eccentric anomaly
209.83204°
Mean motion
3.11877 °/min
Orbital period
115.43 mins
BSTAR
-0.00011356
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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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2026-04-30 02:31:22.670Z | 311.827° NW | 2026-04-30 02:39:22.670Z | 14.35° NNE | 27.169° | 2026-04-30 02:46:22.670Z | 65.691° ENE |
| 17 mins | 2026-04-30 04:34:22.670Z | 321.599° NNW | 2026-04-30 04:41:22.670Z | 25.838° NE | 39.974° | 2026-04-30 04:51:22.670Z | 113.175° SE |
| 16 mins | 2026-04-30 06:35:22.670Z | 302.701° NW | 2026-04-30 06:42:22.670Z | 240.116° WSW | 37.982° | 2026-04-30 06:51:22.670Z | 164.787° S |
| 7 mins | 2026-04-30 19:34:22.670Z | 132.78° SE | 2026-04-30 19:37:22.670Z | 110.425° ESE | 14.047° | 2026-04-30 19:41:22.670Z | 82.411° E |
| 16 mins | 2026-04-30 21:29:22.670Z | 208.364° SW | 2026-04-30 21:36:22.670Z | 127.72° SE | 43.092° | 2026-04-30 21:45:22.670Z | 48.759° ENE |
| 16 mins | 2026-04-30 23:30:22.670Z | 265.035° W | 2026-04-30 23:37:22.670Z | 328.933° NNW | 34.819° | 2026-04-30 23:46:22.670Z | 42.671° 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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