Showing default

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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/40984?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/40984?theme=dark&initialShowStats=false

Optional secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

40984, 2015-060A

Orbit

GEO

Country

TR / TURK

Related business

Turksat Satellite Communication and Cable TV Operation AS (TR)

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)

2015-10-16 (11 years ago)

Launch vehicle

PROTON-M/BRIZ-M

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 12.6 m

Radar Cross Section

52.659 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 TURKSAT 4B
1 40984U 15060A   26296.14543366  .00000000  00000-0  00000+0 0  9993
2 40984   0.0152 229.0628 0002164 352.9047 271.9824  1.00275687 40381

Epoch: 2026-10-23T03:29Z

TLE epoch observation values (Epoch: 2026-10-23T03:29:25.468Z)

Latitude

-0.03928°

Longitude

49.96083°

Altitude

35,784.665 km

Speed

3.075 km/s

True Right ascension

08h 55m 32s

True Declination

0° 02' 21"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

04:09:09

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,795.696 km

Perigee altitude

35,777.447 km

Semi-major axis

42,164.709 km

Eccentricity

0.00022

Inclination

0.0152°

RAAN

229.0628°

Arg. of periapsis

352.9047°

True anomaly

271.95762°

Mean anomaly

271.9824°

Eccentric anomaly

271.97001°

Mean motion

0.25068 °/min

Orbital period

1,436.09 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #60 in the year 2015 (2015-10-16 UTC)

BREEZE-M DEB (TANK), 40986

BREEZE-M R/B, 40985

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.

Click here to try in Sandbox

TURKSAT 4B Visibility

Loading observer location...
Set 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.
TURKSAT 4B is likely not visible in the next few days.

Loading historical data...

40984 neighbors

Authenticating...

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

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

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 descending order

Check out TURKSAT 4B, 40984 on other resources

View TURKSAT 4B, 40984 on NASA - NSSDCA Website

View TURKSAT 4B, 40984 on Heavens-Above

View TURKSAT 4B, 40984 on Keep Track

View TURKSAT 4B, 40984 on Celestrak

View TURKSAT 4B, 40984 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

TURKSAT 4B, 40984

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-10-23T03:29:25.468Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #60 in the year 2015 (2015-10-16 UTC)

TURKSAT 4B Visibility

40984 neighbors

Co-orbital & Co-planar RSOs

Check out TURKSAT 4B, 40984 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago