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EROS C Satellite Program
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Follow-on spacecraft in the
EROS
family will be based on the Eros C, utilizing a new multipurpose
platform developed at IAI's space systems group. EROS C, expected
to be operational by 2009 will weigh less than 350 kg at launch and orbit at an altitude of 480 - 600
km, flown in sun-synchronous orbit. This satellite will be deployed satellites
will be crossing the equator at different times providing the EROS
constellation with a daily revisit feature for any point over the globe.
They will carry a camera with Charge Coupled Device/Time Delay
Integration (CCD/TDI) focal plane that enables imaging even under weak
lighting conditions. The camera system will provide 20,000 pixels per
line (compared with 7,000 pixels/line on the current version) and
produces an image resolution of 0.70 m for pan chromatic and 2.8 meters
for multi-spectral (color) images with a swath of 11 km at nadir.
The data transmission rate will be 455 Mbit/s. The expected lifetime of EROS
C
satellites is at least ten years.
Each of the EROS C-type satellites
will repeat its ground track once every 15 days; however, because the
camera can be pointed to the side (off-nadir), the ability to image a
particular area on Earth in successive passes is substantially
increased, enabling a revisit every 3 days at the equator for each one
of the satellites. The satellite’s ability to point its camera also
allows stereo imaging during the same pass.
| Eros
B specifications: |
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Launch weight: |
<350
kg |
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Orbit: |
600
km Sun Synchronous |
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Ground sampling: |
0.9 m |
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Over-sampling: |
1.0 m |
| Swath
width: |
11 km |
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Scanning: |
Synch
and Asynchronous push broom |
| Sensor type: |
CCD / TDI (selectable) with
multi-spectral capability |
|
Spectral band: |
0.5 -
0.9μ |
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Sampling depth: |
10
bits |
| Datalink
rate: |
455 MBit/sec |
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