COSMOS 81, 1571
Orbit data source: Space-Track
COSMOS 81, 1571 is a payload satellite owned by OKB-10 (CIS) in LEO that was launched on Fri, 03 Sep 1965 UTC via a KOSMOS 65S3 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). Payloads include a variety of satellites, spacecraft, and rockets 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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1571 intel report (Beta)
COSMOS 81 details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 16 hours ago |
| Origin | |
| Manufacturer | OKB-10 |
| Mission | Defense Communications |
| Bus & Motor | STRELA-1 11F610, Unknown motor |
| Mass | 50 kg wet, 50 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Poly, 0.8 m |
| Radar Cross Section | 0.731 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 16 hours ago
0 COSMOS 81
1 01571U 65070B 24355.83891602 -.00000086 00000-0 60814-4 0 9996
2 01571 56.0582 224.6432 0090284 78.2225 27.4286 12.48858595704740Epoch: 2024-12-20T20:08Z
Definitive object data (Epoch: 2024-12-20T20:08:02.344Z)
| Latitude | 52.96853° |
| Longitude | -49.85193° |
| Altitude | 1,413.434 km |
| Speed | 7.188 km/s |
| True Right ascension | 22h 48m 13s |
| True Declination | 52° 49' 01" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | -51.70677° |
| Longitude | 68.94836° |
| Altitude | 1,557.685 km |
| Speed | 7.057 km/s |
| Apparent Right ascension | 03h 01m 50s |
| Apparent Declination | -61° 38' 33" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 11:18:23 |
| Azimuth | 217.96° SW |
| Elevation | -50.274° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 1,539.944 km |
| Perigee altitude | 1,398.248 km |
| Semi-major axis | 7,847.233 km |
| Eccentricity | 0.0090284 |
| Inclination | 56.0582° |
| RAAN | 224.6432° |
| Arg. of periapsis | 78.2225° |
| True anomaly | 27.90999° |
| Mean anomaly | 27.4286° |
| Eccentric anomaly | 27.66881° |
| Mean motion | 3.12225 °/min |
| BSTAR | 0.000060814 |
| Orbital period | 115.3 mins |
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Other satellites on launch #70 in the year 1965 (1965-09-03 UTC)
| COSMOS 80, 1570 |
| COSMOS 81, 1571 |
| COSMOS 82, 1572 |
| COSMOS 83, 1573 |
| COSMOS 84, 1574 |
| SL-8 R/B, 1575 |
| SL-8 DEB *, 3045 |
COSMOS 81 Visibility forecast
Observer location: undefined°, undefined
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 | 2024-12-21 16:48:36.946Z | 190.572° SSW | 2024-12-21 16:55:36.946Z | 130.527° SE | 35.049° | 2024-12-21 17:03:36.946Z | 56.169° ENE |
| 15 mins | 2024-12-21 18:49:36.946Z | 249.765° W | 2024-12-21 18:56:36.946Z | 332.128° NNW | 39.857° | 2024-12-21 19:04:36.946Z | 41.808° NE |
| 13 mins | 2024-12-21 20:52:36.946Z | 297.911° NW | 2024-12-21 20:58:36.946Z | 349.872° N | 25.402° | 2024-12-21 21:05:36.946Z | 46.285° ENE |
| 13 mins | 2024-12-21 22:55:36.946Z | 322.866° NNW | 2024-12-21 23:01:36.946Z | 16.733° NNE | 27.898° | 2024-12-21 23:08:36.946Z | 76.512° E |
| 15 mins | 2024-12-22 00:56:36.946Z | 318.025° NNW | 2024-12-22 01:03:36.946Z | 48.845° ENE | 44.023° | 2024-12-22 01:11:36.946Z | 127.399° SE |
| 13 mins | 2024-12-22 02:57:36.946Z | 291.065° WNW | 2024-12-22 03:03:36.946Z | 237.453° WSW | 26.882° | 2024-12-22 03:10:36.946Z | 183.939° SSW |
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