FEDERAL SPACE AGENCY OF RUSSIAN FEDERATION LAVOCHKIN ASSOCIATION "PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT IKI, 13 October 2010 M. Martynov Deputy General Designer Moscow Solar System Symposium

"PHOBOS-GROUNT" MAIN MISSION PARAMETERS Investigation of Phobos's substance delivered to the earth in laboratory conditions; Investigation of Phobos and Mars; Realisation of joint researches with the Chinese microsatellite Launch siteBaikonur Launch dateNovember 2011 Launch vehicle"Zenit-2" Earth-Mars flight duration10 – 11.5 months Lift-off from PhobosFebruary – March 2013 Mars-Earth flight duration10.5 – 11.5 months Date of arrival to the EarthAugust 2014 Total mission duration~ months Mass of scientific equipment50 kg Mass of Phobos soil samples0.2 kg "PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT

MISSION PROFILE "PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT

MAIN PARAMETERS OF THE "PHOBOS GROUNT" SC ParameterValue SC mass, including: – main propulsion (fuelled) – flight module (fuelled) – return vehicle (fuelled) – return capsule – Spacecraft YH kg kg kg 285 kg 11 kg 115 kg Frequency range of communication line: – flight module - Earth – return vehicle - Earth Х -band Information rate at maximal distance: – flight module – return vehicle 4 bit/s, 16 Kbit/s 8 bit/s Solar arrays area: – flight module – return vehicle 10 m m 2 "PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT Return capsule Return vehicle Flight module SC YH-1 Main propulsion Jettisonable block of tanks Truss

"PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT RETURN CAPSULE Basic state: RC braking in atmosphere of the Earth performs only by aerobraking without use of parachute system which as has shown world experience, can fail; Applied form of the return capsule which aerodynamic characteristics are well known; RC landing performs on testing area "Sary-Shagan" which is equipped by necessary measuring instruments for definition of a landing point of RC which do not have active instruments such as a radio beacon.

"PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT

2009

"PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT Soil type Manipulator of LAManipulator of IKI prehensile typepenetration type collect type Small dispersed (sand) +++ Small Stone ++ Only together with sand Massive rock -+-

"PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT

Testing model Structure mockupAntenna mockupLanding device Burn test of propulsion subsystem

Autonomous thermovacuum test of return module Integrated thermovacuum test of return module Autonomous thermovacuum test of flight module Integrated thermovacuum test of flight module Thermovacuum tests "PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT

Static test Transportation loads Aircraft landingCentrifugeVibration test Vibrostatic tests "PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT

Milestone Soil sampling development January December 2010 Flight module electrical tests October – November 2010 Chinese microsatellite delivery20 December 2010 Final assemblage of a space craft, electrical tests December 2010 – January 2011 Electrical tests in vacuum chamberFebruary - march 2011 Final operationsJuly – august 2011 Operations in Launch site September 2011 LaunchNovember 2011

Thank you! "PHOBOS-GRUNT" PROJECT MISSION CONCEPT & CURRENT STATUS OF DEVELOPMENT