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, 0.4 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 COSMOS 87
1 01585U 65073B 26207.31139494 -.00000089 00000-0 45231-4 0 9998
2 01585 56.0584 178.6043 0205994 79.6449 61.8452 12.47463353770633Epoch: 2026-07-26T07:28Z
TLE epoch observation values (Epoch: 2026-07-26T07:28:24.522Z)
Latitude
29.57097°
Longitude
-79.84204°
Altitude
1,403.298 km
Speed
7.195 km/s
True Right ascension
22h 25m 05s
True Declination
29° 26' 09"
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
02:26:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,636.715 km
Perigee altitude
1,313.177 km
Semi-major axis
7,853.083 km
Eccentricity
0.0206
Inclination
56.0584°
RAAN
178.6043°
Arg. of periapsis
79.6449°
True anomaly
63.95152°
Mean anomaly
61.8452°
Eccentric anomaly
62.89584°
Mean motion
3.11877 °/min
Orbital period
115.43 mins
BSTAR
0.000045231
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-07-26 22:14:23.518Z | 138.972° SSE | 2026-07-26 22:17:23.518Z | 117.249° SE | 13.373° | 2026-07-26 22:21:23.518Z | 87.239° E |
| 14 mins | 2026-07-27 00:10:23.518Z | 208.669° SW | 2026-07-27 00:17:23.518Z | 117.995° SE | 42.86° | 2026-07-27 00:24:23.518Z | 50.085° ENE |
| 13 mins | 2026-07-27 02:12:23.518Z | 270.2° WNW | 2026-07-27 02:18:23.518Z | 336.343° NNW | 33.011° | 2026-07-27 02:25:23.518Z | 39.41° NE |
| 10 mins | 2026-07-27 04:16:23.518Z | 316.82° NNW | 2026-07-27 04:20:23.518Z | 353.638° N | 22.975° | 2026-07-27 04:26:23.518Z | 47.417° ENE |
| 14 mins | 2026-07-27 06:17:23.518Z | 324.083° NNW | 2026-07-27 06:23:23.518Z | 21.285° NNE | 31.69° | 2026-07-27 06:31:23.518Z | 93.451° ESE |
| 15 mins | 2026-07-27 08:18:23.518Z | 310.989° NW | 2026-07-27 08:25:23.518Z | 196.908° SSW | 43.881° | 2026-07-27 08:33:23.518Z | 144.964° SSE |
| 8 mins | 2026-07-27 10:21:23.518Z | 268.794° W | 2026-07-27 10:24:23.518Z | 244.69° WSW | 16.356° | 2026-07-27 10:29:23.518Z | 208.737° SW |
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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