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Technical Specifications
On
January 28, 1998, NOAA and
NASA awarded a US$423 million contract to Hughes Space and
Communications, El Segundo, Calif., for the manufacture, launch
and delivery on-orbit of up to four weather-monitoring GOES
satellites, -N through -Q spacecraft. The basic contract value of
US$423.1 million provides for two spacecraft, GOES-N and -O, at a
fixed total price. There are separate, fixed-;price options for
two additional spacecraft, GOES- P and -Q, priced at US$190.9
million and US$185 million, respectively. The first satellite to
be purchased under this contract will be ready for launch in
October 2001.
GOES-NEXT' Geostationary
Operational
Environmental
Satellites |
| PAYLOAD
CAPABILITIES |
| Types of Services |
Weather
observation |
| Uplink frequencies |
1 UHF, 5 S-band |
| Downlink frequencies |
2 UHF, 7 L-band, 9
S-band |
| CORE BUS
SPECIFICATIONS |
| Prime Contractor |
Hughes
Space and Communications |
| Platform |
based on HS 601
|
| Launch Mass |
3133
kg (6908 lbm) |
| Design Life |
7
years |
STRUCTURE |
| Dimensions (H x W x L) |
3.63
m x 2.25 m x 3.37 m (12 ft x 7 ft 4 in x 11 ft) |
| Construction |
|
POWER SYSTEM |
| Payload Power
(EOL) |
2.000
kW |
| Solar Arrays |
1
wing, w/1 panel of dual-junction gallium arsenide solar cells |
| Batteries |
24-cell
NiH2, 123 A-Hr |
ATTITUDE CONTROL SYSTEM |
| Stabilization |
3-axis
body stabilized |
LAUNCH
VEHICLE COMPATABILITY |
| Delta
III, Atlas III |
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