Journal of Earth System Science

, Volume 114, Issue 6, pp 717–720 | Cite as

Terrain mapping camera for Chandrayaan-1

  • A. S. Kiran Kumar
  • A. Roy Chowdhury


The Terrain Mapping Camera (TMC) on India’s first satellite for lunar exploration, Chandrayaan-1, is for generating high-resolution 3-dimensional maps of the Moon. With this instrument, a complete topographic map of the Moon with 5 m spatial resolution and 10-bit quantization will be available for scientific studies. The TMC will image within the panchromatic spectral band of 0.4 to 0.9 Μm with a stereo view in the fore, nadir and aft directions of the spacecraft movement and have a B/H ratio of 1. The swath coverage will be 20 km. The camera is configured for imaging in the push broom-mode with three linear detectors in the image plane. The camera will have four gain settings to cover the varying illumination conditions of the Moon. Additionally, a provision of imaging with reduced resolution, for improving Signal-to-Noise Ratio (SNR) in polar regions, which have poor illumination conditions throughout, has been made. SNR of better than 100 is expected in the ±60° latitude region for mature mare soil, which is one of the darkest regions on the lunar surface. This paper presents a brief description of the TMC instrument.


Terrain mapping active pixel sensor digital elevation map lunar topography 


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. Lucey P G, Spudis P D, Zuber M, Smith D and MalaretE 1994 Topographic — Compositional Units on the Moon and the Early evolution of the lunar crust;Science 266 1855–1858.CrossRefGoogle Scholar
  2. Stertel D, Lucey P G and Gillis J J 2004 Near- Infrared Spectral Properties of selected Nearside and Farside sites;Lunar and Planetary Science XXXV (CD Rom).Google Scholar
  3. Tompkins S and Pieters C M 1999 Mineralogy of the lunar crust: Results from Clementine;Meteoritics Planet. Sci. 34 25–41.CrossRefGoogle Scholar

Copyright information

© Indian Academy of Sciences 2005

Authors and Affiliations

  • A. S. Kiran Kumar
    • 1
  • A. Roy Chowdhury
    • 1
  1. 1.Space Applications CentreISROAhmedabadIndia

Personalised recommendations