COSMOS 198, 3081
Orbit data source: Space-Track
COSMOS 198, 3081 is a payload satellite owned by TSKBM (CIS) in LEO that was launched on Wed, 27 Dec 1967 UTC via a TSIKLON-2A 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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
3081 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
TSKBM/KB1
Mission
Defense Sigint
Bus & Motor
US-A ROCH, Unknown motor
Mass
3,800 kg wet, 1,140 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + Cone, 2.9 m
Radar Cross Section
6.586 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 COSMOS 198
1 03081U 67127A 25255.54009126 -.00000068 00000-0 16345-4 0 9999
2 03081 65.1420 288.1819 0031336 208.1054 151.8322 13.93370341934894Epoch: 2025-09-12T12:57Z
TLE epoch observation values (Epoch: 2025-09-12T12:57:43.884Z)
Latitude
-0.00003°
Longitude
101.9627°
Altitude
938.962 km
Speed
7.373 km/s
True Right ascension
19h 12m 43s
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
18:27:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
938.285 km
Perigee altitude
892.575 km
Semi-major axis
7,293.567 km
Eccentricity
0.00313
Inclination
65.142°
RAAN
288.1819°
Arg. of periapsis
208.1054°
True anomaly
152.00112°
Mean anomaly
151.8322°
Eccentric anomaly
151.91672°
Mean motion
3.48444 °/min
Orbital period
103.32 mins
BSTAR
0.000016345
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #127 in the year 1967 (1967-12-27 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.COSMOS 198 Visibility forecast
Loading observer location...
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 | 2025-09-13 02:51:46.158Z | 157.436° SSE | 2025-09-13 02:55:46.158Z | 110.196° ESE | 23.756° | 2025-09-13 03:00:46.158Z | 55.368° ENE |
| 10 mins | 2025-09-13 04:37:46.158Z | 236.161° WSW | 2025-09-13 04:41:46.158Z | 300.475° NW | 38.615° | 2025-09-13 04:47:46.158Z | 22.754° NE |
| 9 mins | 2025-09-13 11:53:46.158Z | 349.624° N | 2025-09-13 11:57:46.158Z | 40.394° NE | 29.126° | 2025-09-13 12:02:46.158Z | 108.519° ESE |
| 9 mins | 2025-09-13 13:40:46.158Z | 307.34° NW | 2025-09-13 13:44:46.158Z | 244.085° WSW | 33.783° | 2025-09-13 13:49:46.158Z | 179.683° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
|---|