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: 9 hours ago
TLE from 9 hours ago
0 COSMOS 87
1 01585U 65073B 26312.91145216 -.00000116 00000-0 -14004-3 0 9995
2 01585 56.0615 254.7795 0202665 220.8863 178.3995 12.47464299783810Epoch: 2026-11-08T21:52Z
TLE epoch observation values (Epoch: 2026-11-08T21:52:29.466Z)
Latitude
31.81846°
Longitude
-96.8853°
Altitude
1,636.486 km
Speed
6.985 km/s
True Right ascension
18h 37m 19s
True Declination
31° 40' 53"
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
03:19:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,634.096 km
Perigee altitude
1,315.787 km
Semi-major axis
7,853.079 km
Eccentricity
0.02027
Inclination
56.0615°
RAAN
254.7795°
Arg. of periapsis
220.8863°
True anomaly
178.46276°
Mean anomaly
178.3995°
Eccentric anomaly
178.43129°
Mean motion
3.11877 °/min
Orbital period
115.43 mins
BSTAR
-0.00014004
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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 | 2026-11-09 07:55:49.511Z | 296.38° NW | 2026-11-09 08:02:49.511Z | 239.695° WSW | 31.296° | 2026-11-09 08:09:49.511Z | 183.943° SSW |
| 13 mins | 2026-11-09 20:50:49.511Z | 163.305° S | 2026-11-09 20:56:49.511Z | 116.953° SE | 28.863° | 2026-11-09 21:03:49.511Z | 66.203° ENE |
| 17 mins | 2026-11-09 22:48:49.511Z | 226.899° WSW | 2026-11-09 22:56:49.511Z | 321.717° NNW | 84.477° | 2026-11-09 23:05:49.511Z | 44.773° NE |
| 15 mins | 2026-11-10 00:51:49.511Z | 280.298° WNW | 2026-11-10 00:58:49.511Z | 338.612° N | 37.42° | 2026-11-10 01:06:49.511Z | 42.039° NE |
| 14 mins | 2026-11-10 02:55:49.511Z | 314.713° NW | 2026-11-10 03:02:49.511Z | 10.935° NNE | 30.216° | 2026-11-10 03:09:49.511Z | 63.728° ENE |
| 16 mins | 2026-11-10 04:57:49.511Z | 321.215° NNW | 2026-11-10 05:05:49.511Z | 43.507° NE | 52.848° | 2026-11-10 05:13:49.511Z | 109.204° ESE |
| 7 mins | 2026-11-10 06:58:49.511Z | 304.629° NW | 2026-11-10 07:05:49.511Z | 241.207° WSW | 52.113° | 2026-11-10 07:05:49.511Z | 241.207° WSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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