Nahuel 1A

Argentina

Spacecraft n°:

Argentinian satellite n°: 4

Launch data:

Designation24714 / 97002B
Launch date30 Jan 1997 - 22:04 UT
Launch siteKo, ELA-2
Launch vehicleAriane-44L (V93)
MissionCommercial: Communications
Geostationary orbit on Feb 1, 2011:
Perigee / Apogee 35768 x 35805 km
Eccentricity 4.39E-04
Inclination 1.27°
Period 1436.11 min
Location 71.8°W

The launch was also contracted with Long March.
The satellite was reported to experience a 15-hour outage in May 1999.

Spacecraft data:

Prime contractorDornier Satellitensysteme (DASA)
PlatformSpacebus-2000
OperatortorNahuelsat
Mass at launch1780 kg (1820 kg?)
Dry mass828 kg (1100 kg?)
Dimensions1.64 x 1.46 x 2.2 m (22.3 deployed)
Equipment 18 (+6) Ku-band transponders
Solar array 2 deployable solar arrays
Stabilization3-axis
DC powerBOL: 3200 W
Design lifetime12 years

Control station at Benavidez, Buenos Aires province.

Location:

DatePositionRemarks
 Feb 1, 2011  71.82° W 

Ku-band

Main transponders 18
Backup transponders 6 
Power 55 W (TWTA)
Bandwidth 54 MHz
Coverage & EIRP max Argentina: 50 dBW
Brazil: 51 dBW
Large: 41 dBW
Polarization linear H/V

Coverage of Latin America and U.S., 18 Ku band transponders.

Transponder frequency chart (GHz)

Horizontal
Uplink 		Horizontal
Downlink 		Transponder Vertical
Downlink 		Vertical
Uplink 		Beam
    1  11.730 14.030 A
14.043 11.743 2     B / A
    3  11.791 14.091 A
14.104 11.804 4     B / A
    5  11.852 14.152 A
14.165 11.865 6     B / A
    7  11.913 14.213 A
14.226 11.926 8     B / A
    9  11.974 14.274 A
14.287 11.987 10    B
    11 12.035 14.335 A
14.348 12.048 12    B
    13 12.096 14.396 A
14.409 12.109 14    B
    15 12.157 14.457 A
14.470 12.170 16    B
    17 11.48867 13.77700 L
    19 11.54967 13.83800 L
    21 11.61067 13.89900 L
    23 11.67034 13.95867 L

Transponder 23 only has 51.3 MHz bandwidth

Ref: #7, #14, #15, #78a, #226 - update: 29.10.11