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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

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Iframe URL

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

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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, 12.7 m

Radar Cross Section

52.659 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago

0 TURKSAT 4B
1 40984U 15060A   26171.40177720  .00000111  00000-0  00000+0 0  9994
2 40984   0.0146 349.5650 0002276  93.7876  19.8648  1.00269072 39136

Epoch: 2026-06-20T09:38Z

TLE epoch observation values (Epoch: 2026-06-20T09:38:33.550Z)

Latitude

0.03195°

Longitude

49.98179°

Altitude

35,777.778 km

Speed

3.075 km/s

True Right ascension

06h 52m 57s

True Declination

0° 01' 55"

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

21:28:12

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,798.023 km

Perigee altitude

35,778.829 km

Semi-major axis

42,166.563 km

Eccentricity

0.00023

Inclination

0.0146°

RAAN

349.565°

Arg. of periapsis

93.7876°

True anomaly

19.87366°

Mean anomaly

19.8648°

Eccentric anomaly

19.86923°

Mean motion

0.25066 °/min

Orbital period

1,436.19 mins

BSTAR

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Computing Atmospheric mass density...

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

BREEZE-M R/B, 40985

BREEZE-M DEB (TANK), 40986

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TURKSAT 4B Visibility

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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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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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: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T09:38:33.550Z)

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: 2 days ago