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Optico-electronic Instruments for the Phobos-Grunt Mission
Optico-electronic Instruments for the Phobos-Grunt Mission

Function

Navigation in the near planetary space, Mars and Phobos observations.

Description

TSNN — the TV-System for Navigation and Guidance — is being developed for solving housekeeping and scientific tasks including: TSNN consists of two television cameras and a powerful data processing computer.

Main Characteristics of TV-cameras

                                                         Narrow-           Wide-
                                                           angle              angle

Focal length, mm                             500                  18

Photoreceiver type                                 CCD array

Angular field of view, deg                2.4                 32.4

Mass, kg                                             2.8                  1.5

Power consumption, W                     7                      7

Number of TV-cameras                    2                      2

KNM — Mars Observation Camera — is being designed as the scientific instrument of the Phobos-Grunt mission. The data acquired with this camera will be used for long-term monitoring of the Red Planet's surface and atmosphere: seasonal and diurnal variations of the surface and climatic processes, polar cap boundary dynamics, dust storms, clouds, atmosphere composition analysis with limb observations.

Imaging is controlled from the Earth. The data is transmitted after preliminary compression. Technical parameters are under consideration.

Both instruments are developed for Russian Phobos-Grunt project.

Contacts

Optico-physical department +7(495)333-22-45, lkrasnop@ofo.iki.rssi.ru