COSMOS 1877, 18336
Orbit data source: Space-Track
COSMOS 1877, 18336 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Mon, 07 Sep 1987 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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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18336 intel report (Beta)
COSMOS 1877 details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 13 hours ago |
| Origin | |
| Manufacturer | NPO PM |
| Mission | Defense Communications |
| Bus & Motor | STRELA-3, Unknown motor |
| Mass | 225 kg wet, 225 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Cyl, 1.6 m |
| Radar Cross Section | 1.257 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 13 hours ago
0 COSMOS 1877
1 18336U 87074C 25004.51613616 .00000051 00000-0 22332-3 0 9998
2 18336 82.5639 276.5188 0002114 118.3248 54.9871 12.63642030721469Epoch: 2025-01-04T12:23Z
Definitive object data (Epoch: 2025-01-04T12:23:14.164Z)
| Latitude | 6.54105° |
| Longitude | 165.4913° |
| Altitude | 1,409.127 km |
| Speed | 7.157 km/s |
| True Right ascension | 06h 22m 39s |
| True Declination | 6° 30' 20" |
| Sunlit | Object was in full shadow at TLE epoch |
Visualization TLE readout
| Latitude | 65.47338° |
| Longitude | 149.46106° |
| Altitude | 1,417.582 km |
| Speed | 7.159 km/s |
| Apparent Right ascension | 10h 38m 42s |
| Apparent Declination | 35° 02' 58" |
| Sunlit | Object is in full shadow |
Visualization observer readout
| Local Sidereal Time | 01:21:30 |
| Azimuth | 32.479° NE |
| Elevation | -6.172° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 1,406.913 km |
| Perigee altitude | 1,403.622 km |
| Semi-major axis | 7,783.404 km |
| Eccentricity | 0.0002114 |
| Inclination | 82.5639° |
| RAAN | 276.5188° |
| Arg. of periapsis | 118.3248° |
| True anomaly | 55.00694° |
| Mean anomaly | 54.9871° |
| Eccentric anomaly | 54.99702° |
| Mean motion | 3.16074 °/min |
| BSTAR | 0.00022332 |
| Orbital period | 113.9 mins |
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Other satellites on launch #74 in the year 1987 (1987-09-07 UTC)
| COSMOS 1875, 18334 |
| COSMOS 1876, 18335 |
| COSMOS 1877, 18336 |
| COSMOS 1878, 18337 |
| COSMOS 1879, 18338 |
| COSMOS 1880, 18339 |
| SL-14 R/B, 18340 |
COSMOS 1877 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 | 2025-01-05 05:10:23.630Z | 1.861° NNE | 2025-01-05 05:18:23.630Z | 79.672° E | 38.229° | 2025-01-05 05:25:23.630Z | 149.781° SSE |
| 12 mins | 2025-01-05 07:07:23.630Z | 326.028° NNW | 2025-01-05 07:12:23.630Z | 280.033° WNW | 27.639° | 2025-01-05 07:19:23.630Z | 218.893° SW |
| 14 mins | 2025-01-05 17:58:23.630Z | 159.734° S | 2025-01-05 18:05:23.630Z | 85.429° E | 38.084° | 2025-01-05 18:12:23.630Z | 19.006° NNE |
| 13 mins | 2025-01-05 19:54:23.630Z | 233.499° WSW | 2025-01-05 20:00:23.630Z | 289.451° WNW | 28.255° | 2025-01-05 20:07:23.630Z | 349.352° N |
Authenticating...
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