Asiasat 2 --> Amos 5i

China (PR) --> Israel

Spacecraft nr:

Chinese satellite nr: 49

Renamed: Amos 5i

Launch data:

Designation	23723 / 95064A
Launch date	28 Nov 1995 - 11:30:05 UT
Launch site	Xichang, LC2
Launch vehicle	CZ-2E
Mission	Commercial: Communications
Geostationary orbit:
Perigee / Apogee	35779 x 35794 km
Eccentricity	1.78E-04
Inclination	0.04 deg
Period	1436.11 min

Second stage orbit: 185 km x 309 km x 28° Then the Chinese perigee kick motor SPTM-17 (second flight) lifted Asiasat to 222 x 35039 km x 25.6° and the liquid apogee motor (a Leros-class dual mode liquid apogee engine built by Royal Ordnance plc, England) then circularized the orbit.

Spacecraft data:

Prime contractor	Lockheed Martin Astro Space
Platform	AS-7000
Operator	Asia Satellite Telecommunications Co. Ltd
Mass at launch	3460 kg
Mass in orbit	1500 kg
Dimension	24 x 7 m deployed
Stabilization	3-axis
DC power	BOL: 7100 W
Design lifetime	13 years

Location:

Date	Position	Remarks
	100.5°E
Apr 2009	100.54° E
9 Jan 2010	17° E	Amos 5i moved into GEO at 17°E

End of live:

End of Operation:	Dec 2011
Cause:

The perigee engine was made in China and is being used for the first time.

C-band

Main transponders	24
Backup transponders	6
Power	55 W (TWTA)
Bandwidth	20 transponders at 36 MHz 4 transponders at 72 MHz
Coverage	Asia and Australia
EIRP max	39 dBW
G/T max	0 dB/K
SFD	-97 dBW/m²
Polarization	Linear H/V
Frequencies	Uplink: 5.845-6.425 GHz Downlink: 3.625-4.2 GHz

2 beacons pure carrier at 4.1975 H and 4.1995 H GHz

Transponder frequency chart (GHz)

Horizontal downlink	Transponder	Vertical downlink	Bandwidth (MHz)
3.640	1B		36
	1A	3.660	36
3.680	2B		36
	2A	3.700	36
3.720	3B		36
	3A	3.740	36
3.760	4B		36
	4A	3.780	36
3.800	5B		36
	5A	3.820	36
3.840	6B		36
	6A	3.860	36
3.880	7B		36
	7A	3.900	36
3.920	8B		36
	8A	3.940	36
3.960	9B		36
	9A	3.980	36
4.000	10B		36
	10A	4.020	36
4.060	11B		72
	11A	4.080	72
4.140	12B		72
	12A	4.160	36

Ku-band

Main transponders	9
Backup transponders	3
Power	115 W (TWTA)
Bandwidth	54 MHz
Coverage	China and nearby countries
EIRP max	52 dBW
G/T max	6 dB/K
SFD	-97 dBW/m²
Polarization	Linear
Frequencies	Uplink: 14.0-14.3 GHz Downlink: 12.2-12.5 GHz

Transponder frequency chart (GHz)

Horizontal downlink	Transponder	Vertical downlink
12.230	1
	2	12.245
12.290	3
	4	12.305
12.350	5
	6	12.365
12.410	7
	8	12.425
12.470	9

G/T coverage (dB/K): C-band
TV communications to 53 countries; internet, multimedia, 24 C-band, 9 Ku-band transponders.

Description:

In late 2009 AsiaSat 5 was sold to israeli Spacecom Ltd. to be operated as Amos 5i to be operated ad 17 degrees E as a stop gap measure until Amos 5 becomes operational in 2011.

Ref.: #3(SD447), #7, #226 - update: 10.02.12

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