Astra 4B

Also called SES 5 and Sirius 5

---

General

Designation	38652 / 12036A
Launch date	9 Jul 2012
Country of origin	Luxemburg
Mission	Telecommunications
Geostationary orbit	5°E
Launch vehicle	Proton #389

The Ku-band transponders will be marketed by SES Astra in the African DTH market and by SES Sirius in the Nordic markets, whereas the C-band transponders will become part of the SES New Skies offering.

Object UN registered by the United Kingdom


sat-index articles

Technical data

---

Lyngsat transponder loading

---

EIRP coverage (dBW)

C-band hemi
C-band global
Ku-band Africa
Ku-band Nordic

---

Specifications

Prime contractor	SS/L
Platform	LS-1300
Mass at launch	6007 kg
Dry mass
Dimension
Solar array
Stabilization	3-axis
DC power
Design lifetime	15 years

---

C-band

Main transponders	24 (28 in 36MHz equiv)
Backup transponders
Power
Bandwidth
Coverage	Beam 1: global Beam 2: hemispheric: Africa, Europe, Middle East
EIRP max
G/T max
Polarization	circular

---

Ku-band

Main transponders	36
Backup transponders
Power
Bandwidth	6 x 36 MHz FSS Africa 24 x 33 MHz BSS Africa 12 x 36 MHz FSS Nordic 7 x 33 MHz BSS Nordic
Coverage	Beam 1: Nordic and Baltic countries Beam 2: sub-sarahan Africa
EIRP max
G/T max
Polarization	linear

Has a Ka-band uplink facility.

Will also carry an Egnos L-band payload for the European Commission. It will supplement the GPS signals and in the future the Glonass and Galileo signals too.

---