Cartosat-2D
 | |||||||||
| Names | CartoSat-2D | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Mission type | Earth observation | ||||||||
| Operator | ISRO | ||||||||
| COSPAR ID | 2017-008A | ||||||||
| SATCAT no. | 41948 | ||||||||
| Website | https://isro.gov.in/ | ||||||||
| Mission duration | 5 years (planned) 7 years and 4 months (in progress) | ||||||||
| Spacecraft properties | |||||||||
| Spacecraft | CartoSat-2D | ||||||||
| Bus | IRS-2[1] | ||||||||
| Manufacturer | Indian Space Research Organisation | ||||||||
| Launch mass | 714 kg (1,574 lb) [2] | ||||||||
| Dimensions | 2.5 m in height 2.4 m in diameter | ||||||||
| Power | 986 watts | ||||||||
| Start of mission | |||||||||
| Launch date | 15 February 2017, 03:58 UTC[3] | ||||||||
| Rocket | Polar Satellite Launch Vehicle-XL, PSLV-C37 | ||||||||
| Launch site | Satish Dhawan Space Centre, First Launch Pad (FLP) | ||||||||
| Contractor | Indian Space Research Organisation | ||||||||
| Entered service | 15 May 2017 | ||||||||
| Orbital parameters | |||||||||
| Reference system | Geocentric orbit[4] | ||||||||
| Regime | Sun-synchronous orbit | ||||||||
| Perigee altitude | 504 km (313 mi) | ||||||||
| Apogee altitude | 512 km (318 mi) | ||||||||
| Inclination | 97.49° | ||||||||
| Period | 94.72 minutes | ||||||||
| |||||||||
Cartosat-2D is an Earth observation satellite in a Sun-synchronous orbit (SSO) and the fifth of the Cartosat series of satellites.[1] The satellite is built, launched and maintained by the Indian Space Research Organisation (ISRO). Cartosat-2D has a mass of 714 kg.[2]
Satellite description
The satellite achieves three-axis stabilization through a combination of reaction wheels, magnetorquers and hydrazine-fuelled reaction control thrusters. Power is generated by a pair of solar panels, charging two lithium-ion batteries. The solar panels generate 986 watts of power when in Sun-pointed mode. The satellite is outfitted with an eight-channel GPS receiver for the calculation of instantaneous state vectors and orbital parameters. GPS is also used for GEO-referencing of acquired imaging data.[5]
Instruments
The CartoSat-2D carries a panchromatic camera (PAN) capable of taking black-and-white pictures in the visible region of electromagnetic spectrum. It also carries a High-Resolution Multi-Spectral (HRMX) radiometer which is a type of optical imager.[6] The satellite has a spatial resolution of 0.6 metres. CartoSat-2D is also capable of capturing minute long video of a fixed spot as well, Event Monitoring camera (EvM) for frequent high-resolution land observation of selected areas.[7]
Launch
It was launched by the Polar Satellite Launch Vehicle (PSLV), PSLV-C37, on 15 February 2017,[3] at 03:58 UTC along with two Indian nanosatellites (INS-1A and INS-1B) and 101 nanosatellites belonging to research facilities in the United States, Kazakhstan, Israel, the Netherlands, Switzerland, and the United Arab Emirates.[2]
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