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: 21 hours ago
TLE from 21 hours ago
0 COSMOS 87
1 01585U 65073B 25347.25801880 -.00000103 00000-0 -45075-4 0 9994
2 01585 56.0625 63.4703 0205502 137.1235 258.5082 12.47461062742550Epoch: 2025-12-13T06:11Z
TLE epoch observation values (Epoch: 2025-12-13T06:11:32.824Z)
Latitude
27.1899°
Longitude
-91.48366°
Altitude
1,511.963 km
Speed
7.096 km/s
True Right ascension
05h 34m 21s
True Declination
27° 03' 49"
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
01:26:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,636.338 km
Perigee altitude
1,313.573 km
Semi-major axis
7,853.092 km
Eccentricity
0.02055
Inclination
56.0625°
RAAN
63.4703°
Arg. of periapsis
137.1235°
True anomaly
256.21289°
Mean anomaly
258.5082°
Eccentric anomaly
257.3593°
Mean motion
3.11876 °/min
Orbital period
115.43 mins
BSTAR
-0.000045075
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-12-14 05:12:10.105Z | 143.22° SSE | 2025-12-14 05:16:10.105Z | 116.788° SE | 14.641° | 2025-12-14 05:20:10.105Z | 88.309° E |
| 16 mins | 2025-12-14 07:08:10.105Z | 208.273° SW | 2025-12-14 07:16:10.105Z | 124.138° SE | 42.855° | 2025-12-14 07:24:10.105Z | 49.768° ENE |
| 14 mins | 2025-12-14 09:10:10.105Z | 264.704° W | 2025-12-14 09:17:10.105Z | 331.116° NNW | 34.508° | 2025-12-14 09:24:10.105Z | 37.807° NE |
| 12 mins | 2025-12-14 11:14:10.105Z | 308.291° NW | 2025-12-14 11:20:10.105Z | 359.555° N | 23.825° | 2025-12-14 11:26:10.105Z | 49.766° ENE |
| 13 mins | 2025-12-14 13:17:10.105Z | 326.543° NNW | 2025-12-14 13:23:10.105Z | 28.867° NE | 31.315° | 2025-12-14 13:30:10.105Z | 91.128° ESE |
| 15 mins | 2025-12-14 15:17:10.105Z | 311.863° NW | 2025-12-14 15:24:10.105Z | 226.865° WSW | 44.351° | 2025-12-14 15:32:10.105Z | 143.936° SSE |
| 7 mins | 2025-12-14 17:20:10.105Z | 272.485° WNW | 2025-12-14 17:23:10.105Z | 248.135° W | 15.774° | 2025-12-14 17:27:10.105Z | 215.932° 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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