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: 1 day ago
TLE from 1 day ago
0 COSMOS 87
1 01585U 65073B 25303.03880432 -.00000075 00000-0 13266-3 0 9995
2 01585 56.0592 182.3228 0206130 78.3023 35.7562 12.47460350737039Epoch: 2025-10-30T00:55Z
TLE epoch observation values (Epoch: 2025-10-30T00:55:52.693Z)
Latitude
48.63057°
Longitude
-99.74792°
Altitude
1,350.825 km
Speed
7.247 km/s
True Right ascension
20h 51m 17s
True Declination
48° 28' 23"
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
21:46:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,636.835 km
Perigee altitude
1,313.083 km
Semi-major axis
7,853.096 km
Eccentricity
0.02061
Inclination
56.0592°
RAAN
182.3228°
Arg. of periapsis
78.3023°
True anomaly
37.16576°
Mean anomaly
35.7562°
Eccentric anomaly
36.45801°
Mean motion
3.11876 °/min
Orbital period
115.43 mins
BSTAR
0.00013266
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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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-10-31 03:55:16.827Z | 282.752° WNW | 2025-10-31 04:00:16.827Z | 239.744° WSW | 21.581° | 2025-10-31 04:06:16.827Z | 195.033° SSW |
| 12 mins | 2025-10-31 16:50:16.827Z | 173.521° S | 2025-10-31 16:56:16.827Z | 116.959° SE | 28.023° | 2025-10-31 17:02:16.827Z | 64.439° ENE |
| 14 mins | 2025-10-31 18:49:16.827Z | 238.018° WSW | 2025-10-31 18:56:16.827Z | 332.471° NNW | 42.95° | 2025-10-31 19:03:16.827Z | 41.821° NE |
| 12 mins | 2025-10-31 20:52:16.827Z | 291.647° WNW | 2025-10-31 20:58:16.827Z | 348.646° N | 25.937° | 2025-10-31 21:04:16.827Z | 40.25° NE |
| 11 mins | 2025-10-31 22:56:16.827Z | 326.814° NNW | 2025-10-31 23:01:16.827Z | 15.706° NNE | 24.866° | 2025-10-31 23:07:16.827Z | 66.596° ENE |
| 15 mins | 2025-11-01 00:56:16.827Z | 320.533° NNW | 2025-11-01 01:03:16.827Z | 40.967° NE | 40.912° | 2025-11-01 01:11:16.827Z | 117.029° SE |
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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