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EROS B Satellite Program
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On April 25 ImageSat
launched the second very high resolution satellite in the EROS family - EROS B. The
launch took place at the Cosmodrome in Svobodni, Siberia by a Start
1 launcher. It is expected to begin
operation in few days. Similar to EROS A, the EROS B
will provide better performance. The new satellite is expected to provide services for 8-10 years.
Slightly larger and similar in appearance to EROS A, the new
satellite weighs 290 kg and have superior capabilities compared to
EROS A, including a larger camera of CCD/TDI type (Charge Coupled
Device/Time Delay Integration), with standard panchromatic
resolution of 0.70 m at an altitude of about 500 km, a larger
on-board recorder, improved pointing accuracy and a faster data
communication link.
EROS B first image showing a Syrian dam on
the Euphrates, clearly showing the improved image quality and
resolution of the new payload. For comparison, an image taken by
the EROS A is shown below showing US Air Force B-52 bombers and
KC-135 tankers aircraft at the Indian Ocean island of Diego
Garcia.
| Eros
B specifications: |
|
Launch weight: |
290
kg |
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Orbit: |
500
km Sun Synchronous |
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Over-sampling: |
1.0 m |
| Swath
width: |
7
km |
|
Scanning: |
Asynchronous push broom |
| Sensor type: |
CCD / TDI
(selectable) |
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Spectral band: |
0.5 -
0.9μ |
|
Sampling depth: |
10
bits |
| Datalink
rate: |
280 MBit/sec |
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