Oceansat 3, 3A (EOS 06) (original) (raw)
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Oceansat 3 [ISRO]
The ISRO (Indian Space Research Organization) spacecraft Oceansat-3 and Oceansat-3A are envisaged to provide service continuity for the operational users of OCM (Ocean Color Monitor) data from Oceansat 2 as well as to enhance the application potential in other areas. It is a global mission and is configured to cover global oceans and provide continuity of ocean colour data with global wind vector and characterization of lower atmosphere and ionosphere.
The mission objectives are to provide continuity of ocean colour data with improvements to continue and enhance operational services like potential fishery zone and primary productivity. To enhance the applications by way of simultaneous Sea Surface Temperature (SST) measurements, in addition to chlorophyll, using additional thermal channels, is envisaged in this mission. Continuity of wind vector data through repeat of Scatterometer for cyclone forecasting and numerical weather modelling. The mission, in tandem with Oceansat-2 (on availability), will improve the repetivity of ocean colour measurements to every 24 hour and wind vector measurements to every 12 hour.
Following instruments are on board:
- An 13-band Ocean Colour Monitor (OCM) in VNIR (400-1010 nm range) with 360 m spatial resolution and 1400 km swath for ocean Colour monitoring
- 2-band Long Wave Infra Red (LWIR) around 11 and 12 �m for Sea Surface Temperature (thermal channels) at 1080 m resolution.
- A Ku-Band Pencil beam SCATTEROMETER with a ground resolution of 50 km × 50 km for Continuity of wind vector data for cyclone forecasting and numerical weather modelling
Additionally, a CNES provided Argos-4 data collection and location payload is onboard of Oceansat 3.
A second satellite, Oceansat 3A is to be launched in 2020.
| Nation: | India |
|---|---|
| Type / Application: | Earth observation |
| Operator: | ISRO |
| Contractors: | ISRO |
| Equipment: | OCM, LWIR, SCATTEROMETER |
| Configuration: | IRS-1 Bus |
| Propulsion: | ? |
| Power: | 2 deployable solar arrays, batteries |
| Lifetime: | |
| Mass: | 1117 kg |
| Orbit: | 729 km � 748 km, 98.34� |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks |
|---|---|---|---|---|---|
| Oceansat 3 (EOS 06) | 2022-158A | 26.11.2022 | Sr FLP | PSLV-XL | with INS 2B, Pixxel-TD 1, Astrocast 0301, ..., 0304, Thybolt 1, 2 |
| Oceansat 3A | - | 2025 | Sr | PSLV-XL |