TURKSAT 4B, 40984
Orbit data source: Space-Track
TURKSAT 4B, 40984 is a payload satellite owned by Turksat (TR) in GEO that was launched on Fri, 16 Oct 2015 UTC via a PROTON-M/BRIZ-M 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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40984 intel report (Beta)
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Identifier
Orbit
Country
TR / TURKRelated business
Manufacturer
MELCO
Mission
Operational Commercial Communications
Bus & Motor
DS-2000, R-4D-11-164
Mass
4,928 kg wet, ~2,500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 12.6 m
Radar Cross Section
52.659 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 TURKSAT 4B
1 40984U 15060A 26284.95533686 .00000000 00000-0 00000-0 0 9994
2 40984 0.0134 196.1224 0001937 3.3537 214.9341 1.00269986 40268Epoch: 2026-10-11T22:55Z
TLE epoch observation values (Epoch: 2026-10-11T22:55:41.104Z)
Latitude
-0.01874°
Longitude
49.91259°
Altitude
35,793.327 km
Speed
3.074 km/s
True Right ascension
03h 37m 29s
True Declination
0° 01' 07"
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
22:20:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,796.337 km
Perigee altitude
35,780.002 km
Semi-major axis
42,166.307 km
Eccentricity
0.00019
Inclination
0.0134°
RAAN
196.1224°
Arg. of periapsis
3.3537°
True anomaly
214.92139°
Mean anomaly
214.9341°
Eccentric anomaly
214.92775°
Mean motion
0.25067 °/min
Orbital period
1,436.18 mins
BSTAR
0
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Other satellites on launch #60 in the year 2015 (2015-10-16 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.TURKSAT 4B Visibility
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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. |
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| TURKSAT 4B is likely not visible in the next few days. |
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40984 neighbors
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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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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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 descending order |
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