| Satellites: : Aryabhata | APPLE | INSAT-1
| INSAT-2
| INSAT-3
| Bhaskara
| IRS | Rohini Launcher
: : SLV
| PSLV | ASLV | GSLV
IRS Series : : IRS-1A | IRS-1B | IRS-1C | IRS-1D | IRS-1E | IRS-P1 | IRS-P2 | IRS-P3 | IRS-P4 | IRS-P5 | IRS-P6 | IRS 2A | IRS-2B | IRS-3
IRS-1B Satellite
This is similar to IRS-1A satellite in all
aspects.
Orbit Details
Launch date : August 29, 1991 (Soviet
Launcher VOSTAK used)
Altitude : 904 Kms.
Inclination : 99.049 degrees
Period : 103.19266 minutes
Repetivity : 22 days
Equatorial crossong time : 10.25 AM
descending
Weight : 975 Kg.
Imaging Sensor Characteristics ( LISS-I and LISS-II
Cameras)
| Parameters |
LISS-I |
LISS-II |
| Focal Length
|
166.2 |
324.4 |
| Field-of-view
(deg) |
9.4 |
4.7+4.7 |
| Instantaneous
field of view(IFOV) Microrad, |
80 |
40 |
| Detectors
(CCDs) |
2048
elements |
2048
elements |
| Ground
Resolution (m) |
72.5 |
36.25 |
| Spectral
range (micro meter) |
0.45 - 0.86 |
0.45 - 0.86 |
| Number of
Bands |
4 |
4 |
| Swath (Kms.)
|
148 |
74x2 (
LISS-A and LISS-B) |
| Radiometric
Resolution (grey levels) |
128 |
128 |
| Data rate
(Mbps) |
5.2 |
10.4x2 |
| Weight (Kgs)
|
38.5 |
80.8x2 |
| Power
(Watts) |
34 |
34x2 |
* LISS -Linear Imaging
Self-Scanning Sensor, CCD charge coupled devices.
* LISS-II contains two separate sensors LISS-A
and LISS-B with a spatial resolution of 36.25
each.
* The 4 bands are:
B1 - 0.42-0.52 (blue)
B2 - 0.52-0.59 (green)
B3 - 0.62-0.68 (red)
B4 - 0.77-0.86 (near IR)
The bands are similar to the LANDSAT 1, 2, 3 and
4 bands.
Sources and Resources
- Other source : www.bharatrakshak.com
|
