Chandrayaan-2 Mission : Initial data release Home / Archives /Chandrayaan-2 Mission

India’s second mission to the Moon, Chandrayaan-2 was launched on 22nd July 2019 from Satish Dhawan Space Center, Sriharikota. The Orbiter which was injected into a lunar orbit on 2nd Sept 2019, carries 8 experiments to address many open questions on lunar science. All experiments have been performing well and the data received, suggests excellent capability to deliver on the pre-launch promises. In the period since launch payload teams tuned onboard systems for optimal instrument configurations, derived essential in-flight calibration data, revised / updated data processing steps / software and have started to publish early results. Today, the first set of data are being released for all users. The public release data archived at the Indian Space Science Data Center in Bylalu, near Bengaluru is prepared in the standard, globally followed Planetary Data System 4 (PDS4) format for public release.

1 Terrain Mapping Camera – 2 (TMC-2) High resolution topographic maps and Digital Elevation Models (DEM) of the lunar surface.
2 Orbiter High Resolution Camera (OHRC) Highest resolution optical images ever (~30 cm) from a lunar orbiter platform.
3 Chandrayaan-2 Large Area Soft X-ray Spectrometer (CLASS) Highest resolution surface composition study of Moon using X rays – generation of global elemental maps. Monthly studies of geotail at the Moon – high time resolution particle spectrum and flux mapping
4 Solar X-ray Monitor (XSM) Highest time cadence and resolution solar flare spectrum for supporting CLASS and for independent studies of the solar corona.
5 Imaging Infra-Red Spectrometer (IIRS) Mapping minerals in 0.8 to 5.0 micron with a focus on extracting clear signature of surface presence of hydroxyl and/ or water
6 Dual frequency Synthetic Aperture Radar (DFSAR) First full polarimetric measurements of permanently shadowed regions. First L-band observation of Moon and along with S-band, provides better identification of sub-surface water.
7 Chandra’s Atmospheric Composition Explorer – 2 (CHACE-2) Study of neutral species in the exosphere and its spatial and temporal variations.
8 Dual Frequency Radio Science Experiment (DFRS) Lunar charged and neutral environment studies using the radio occultation technique.

Indian Space Science Data Center (ISSDC) is the nodal center of planetary data archive for planetary missions of ISRO. The Chandrayaan-2 data are required to be in Planetary Data Sysytem-4 (PDS4) standard and required to be peer reviewed scientifically and technically before acceptance as PDS archives and declared ready for sharing with global scientific community and general public. This activity has been completed and hence the first set of data from the Chandrayaan-2 mission are now being released for wider public use through the PRADAN portal hosted by ISSDC. Users may also visit https://www.issdc.gov.in for more information about mission.

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