COSMOS 1741, 16681
Orbit data source: Space-Track
COSMOS 1741, 16681 is a payload satellite owned by GUKOS (CIS) in LEO that was launched on Thu, 17 Apr 1986 UTC via a KOSMOS 11K65M launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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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16681 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-2M, Unknown motor
Mass
800 kg wet, 800 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 1.5 m
Radar Cross Section
6.283 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 COSMOS 1741
1 16681U 86030A 25239.41284182 .00000120 00000-0 52614-4 0 9995
2 16681 74.0216 225.5445 0019628 221.4458 138.5206 14.33803440 57101Epoch: 2025-08-27T09:54Z
TLE epoch observation values (Epoch: 2025-08-27T09:54:29.533Z)
Latitude
0°
Longitude
101.03089°
Altitude
792.192 km
Speed
7.452 km/s
True Right ascension
15h 02m 10s
True Declination
0° 00' 00"
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
16:50:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
790.717 km
Perigee altitude
762.63 km
Semi-major axis
7,154.81 km
Eccentricity
0.00196
Inclination
74.0216°
RAAN
225.5445°
Arg. of periapsis
221.4458°
True anomaly
138.6693°
Mean anomaly
138.5206°
Eccentric anomaly
138.59498°
Mean motion
3.58629 °/min
Orbital period
100.38 mins
BSTAR
0.000052614
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Other satellites on launch #30 in the year 1986 (1986-04-17 UTC)
COSMOS 1741 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-08-28 09:54:18.355Z | 354.203° N | 2025-08-28 09:59:18.355Z | 73.675° E | 35.309° | 2025-08-28 10:03:18.355Z | 135.811° SSE |
| 6 mins | 2025-08-28 11:38:18.355Z | 299.852° NW | 2025-08-28 11:41:18.355Z | 258.206° W | 19.364° | 2025-08-28 11:44:18.355Z | 220.253° SW |
| 4 mins | 2025-08-28 22:54:18.355Z | 113.421° SE | 2025-08-28 22:55:18.355Z | 100.542° ESE | 15.594° | 2025-08-28 22:58:18.355Z | 63.634° ENE |
| 9 mins | 2025-08-29 00:33:18.355Z | 215.207° SW | 2025-08-29 00:37:18.355Z | 284.282° WNW | 40.501° | 2025-08-29 00:42:18.355Z | 10.374° NNE |
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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Authenticating...
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