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Mars-500 experiment

On 3 June 2010 at 10:49 UTC, six volunteers began the Mars-500 experiment at the IMBP, where they will spend approximately 520 days – to November 2011 – in a mockup of a spaceship to simulate a Mars mission. ESA is also participating in the study, mainly to research the psychology of such a mission; they will supply two of the volunteers. Estimated cost of the project is €15 million (around $20.5 million U.S. dollars).

Prior to the main mission, two shorter studies were undertaken in preparation, to test the facilities and operational procedures. The first 14-day test mission took place in November 2007, its main purpose being to verify technical equipment. A 105-day test followed in March 2009, with Russian and European volunteers participating.

The crew will have experience in medicine, engineering, biology and computer, and speak Russian and English. They will need to be capable of self-organization and self-management.

The timeline of the Mars mission consists of:

  • Interplanetary flight Earth-Mars: 250 days
  • Mars surface operations: 30 days
  • Interplanetary flight Mars-Earth: 240 days.

Communications between the crew and Mission Control will be delayed by up to 20 minutes each way, reflecting the time lag of radio signals transmitting between Mars and Earth.

The crew will be supplied with all the food required at the start of the mission, and have to regulate the supplies so they last for the duration. The crew’s diet will be identical to that of the crews on the International Space Station, and they will perform maintenance, experiments and exercise activities in the same manner, following a daily timeline. Off-nominal and emergency situations will also be simulated. The crew will follow a seven-day week with two days off.

For Mars surface operations, the crew will be divided into two groups of three.

Facility overview

The Ground-based Experimental Facility (NEK – Nazemnom Eksperimental’nom Komplekse, НЭК – Наземном Экспериментальном Комплексе) in which the experiment will be carried out is located in a special building on the IBMP site in Moscow. This building comprises the isolation facility itself, as well as the operations room, technical facilities and offices. The current lay-out of the isolation facility comprises four hermetically sealed interconnected habitat modules, in addition to one external module, which will be used to imitate a stay on the “Martian surface”. The total volume of the habitat modules is 550 m³. A technical drawing of the architecture of the facility is given in Figure 1.

Figure 1: Layout of NEK facilities at IBMP in Moscow Module

Module 1: Technical-medical module

Module 1 (3.2m × 11.9m) will house two medical berths, a toilet and equipment for routine medical examinations and telemedical, laboratory and diagnostic investigations. Should a crewmember become ill, he/she can be isolated and treated here.

Module 2: Living quarters

Module 2 (3.6m × 20m) will be the main living quarters for the crew. It comprises six individual compartments for the crewmembers, a kitchen-dining room, a living room, the main control room and a toilet. The individual compartments (2.8-3.2m²) will have a bed, a desk, chair and shelves for personal belongings.

Module 3: Mars landing module

Module 3 (6.3m × 6.17m) will simulate the Mars landing module and will only be used during the 30-day “Mars orbiting” phase. It accommodates up to three crewmembers and will have three bunk beds, two workstations, a toilet, a control and data collection system, a video control and communications system, gas analysis system, air-conditioning and ventilation system, sewage system and water supply and a fire alarm and suppression system.

Module 4: Storage module

Module 4 (3.9m × 24m) is divided into four compartments: – compartment 1 will house a fridge for storage of food – compartment 2 will be used for storage of non-perishable food – compartment 3 will house the experimental greenhouse – compartment 4 will house the bathroom, sauna and gym. The technical installations include all necessary equipment for running the study (communications and control, ventilation and air supply, water supply, electrical installations, sewerage, air and water quality monitoring and partial recycling, medical equipment, fire and other safety monitoring systems, emergency equipment, etc.). The crew will stay in those modules under conditions of artificial atmospheric environment at normal barometric pressure.

A diagram on the TsUP Mars-500 page:

Mars-500 diagram, TsUP
  1. This module will descend to the surface of Mars. It is calculated that 3 people will stay in it for 2-3 months.
  2. All experiments will be carried out here.
  3. The “habitable” module consists of the personal cabins of the crew members, wardroom, kitchen and main control panel.
  4. Here will be located a greenhouse, depository of food reserves, storage of dishes, clothing and so forth, etc.
  5. This module simulates the surface of Mars. From it is the exit to the red planet.

ESA diagram (189 KB) of the Mars-500 facility.

Spacesuits

Two recycled and modified Orlan-DMA spacesuits will be used during the outside excursion on a simulation of the Mars surface. Their weight has been reduced to 30 kg for use in Earth gravity (normal Orlans are around 120 kg). Internal life support equipment has been removed from the backpack to reduce weight; instead, breathable atmosphere is fed in through long umbilical hoses attached to the spacesuit.

The color of the spacesuit fabric is not the usual white, but a peach shade.

Tools used for the excursions are lunar surface tools left over from ones developed for the canceled Soviet lunar program.

There is a gallery at the Mars-500 site from mid-2009 of a spacesuit being tested in the Mars surface simulator.

Short-duration experiments

15-29 November 2007

In November 2007 a short-duration 14-day stay in the Mars-500 facility was conducted, beginning 15/11 at 11:00 and finishing on 29/11 at 14:00. The crew were all Russian, 5 men and 1 woman:

  • Artamonov, Anton Anatol’evich/Артамонов Антон Анатольевич (born 1982). Engineer physicist, and IMBP engineer-programmer.
  • Artem’ev, Oleg Germanovich/Артемьев Олег Германович (1970). Mechanical engineer.
  • Kovalev, Aleksandr Sergeevich/Ковалев Александр Сергеевич (1982). Engineer, works in the telemedicine laboratory at IMBP.
  • Perfilov, Dmitrii Vladimirovich/Перфилов Дмитрий Владимирович (1975). Doctor, works in the IMBP telemedicine laboratory.
  • Ryazanskii, Sergei Nikolaevich/Рязанский Сергей Николаевич (1974), expedition commander. He partook in the SFINCSS-99 experiment as part of the 7th crew.
  • Tugusheva, Marina Petrovna/Тугушева Марина Петровна (1983). Biologist, Researcher IMBP. The woman in the crew.

The experiment was conducted in two modules of the IMBP medical-technical complex: EU-150/ЭУ-150 (habitable module with a volume of 150 m³) and EU-100/ЭУ-100 (medical module with a volume of 100 m³). Newly-developed life-support systems, monitoring and control, information management and the local tele-medical network were tested for the duration of the experiment.

The crew did not have Internet access or TV, but could talk to those outside via Internet Phone (Skype). Smoking and alcohol were forbidden.

The female presence in the crew did not prove disruptive as all knew that they had to behave professionally. Women in future crews are now a possibility – previously they were not to be included.

2008

“Russia continues flight simulation experiments for Mars-500”, RIA Novosti, 15 April. Four volunteers will spend ten days in a compression chamber with a reduced oxygen level as preparation for Mars-500; this will provide information on the physiological impact of a flight to Mars and back. No date for the experiment given in the article.

2009

105-day mission

The 105-day mission began on 31 March 2009, and successfully concluded on 14 July at 10:00 UTC. The crew consists of 4 Russians and 2 Europeans. The final crew composition was:

  • Europeans:
    • Prime crew:
      • Cyrille Fournier (France)
      • Oliver Knickel (Germany)
    • Backups:
      • Arc’hanmael Gaillard (France)
      • Cedric Mabilotte (France)
  • Russians (includes one woman):
    • Prime crew:
      • Oleg Germanovich Artem’ev, Артемьев Олег Германович
      • Aleksei Viktorovich Baranov, Баранов Алексей Викторович
      • Sergei Nikolaevich Ryazanskii, Рязанский Сергей Николаевич
      • Aleksei Vasil’evich Shpakov, Шпаков Алексей Васильевич
    • Backups:
      • Sergei Alekseevich Spitsa, Спица Сергей Алексеевич
      • Marina Petrovna Tugusheva, Тугушева Марина Петровна

ESA crew selection

In 2008 ESA began selecting candidates whose training commenced on 26 January 2009. Below are links to ESA News articles concerning the selection process.

520-day experiment

Selection candidates for the 520-day Mars flight simulation were announced on 26/2/2010. There was one Chinese candidate (from the Astronaut Center of China), and no women. The official reason given was that there were no suitable female candidates; unofficially it was claimed the scientists wanted to avoid “sexual tension”.

Name Age Country Profession (for simulation)
Sukhrob Kamolov
Камолов, Сухроб Рустамович		 32 Russia Doctor, surgeon
Хирург
Mikhail Sidel’nikov
Синельников, Михаил Олегович		 37 Russia Engineer-electrician
Инженер-электромеханик
Aleksei Sitev
Ситев, Алексей Сергеевич		 38 Russia Engineer
Инженер-кораблестроитель
Alexander Smoleevskii
Смолеевский, Александр Егорович		 33 Russia Doctor, GP
Врач общей практики
Alexander Sukhov
Сухов, Александр Викторович		 32 Russia Engineer
Boris Yegorov
Егоров, Борис Афанасьевич		 44 Russia Engineer
Andrei Zhirnov
Жирнов, Андрей Александрович		 30 Russia Engineer
Jerome Clevers 30 Belgium Engineer
Arc’hanmael Gaillard 34 France Engineer
Diego Urbina 27 Italy Engineer
Wang Yue 27 China Tester
Исследователь

The finalists, announced on 18 May, were:

  • Romain Charles (ESA)
  • Sukhrob Kamolov (Russia)
  • Mikhail Sidel’nikov (Russia)
  • Aleksei Sitev (Russia)
  • Aleksandr Smoleevskii (Russia)
  • Diego Urbina (ESA)
  • Wang Yue (China)

The mission begins 3 June 2010, and ends in November 2011. Each participant will recieve 3 million rubles (nearly USD$100 000). Some details of the simulation scenario:

  • The launch window is in 2018, corresponding to the nearest favourable opposition of Mars and the Earth. The actual mission leaves in October 2017 and returns to Earth in October 2019.
  • The Interplanetary Expeditionary Complex (MEK, Межпланетный экспедиционный комплекс) starts from a circumterraneous assembly orbit at an average height of 450 km and an inclination of 51.6 degrees.
  • The general duration of the expedition flight is 2 years, 30 days of which is spent in orbit around Mars, with part of the crew landing on the surface. Mars research is conducted both from orbit and on the planet’s surface.
  • Closest approach to the Sun is 0.57 astronomical units (85 million km), so suitable thermal protection is required.
  • Initial weight of MEK in orbit is 500 tonnes.
  • 6 people are in the crew, 3 of whom land on Mars.
  • The maximum time for radio signals to travel one way is 12 minutes 20 seconds (so 24m 20s round trip).
  • Gravitational influences of planets:
    • Earth: 2.6 million km
    • Mars: 1 million km

The spaceship’s trajectory is maintained by small engine impulses. Electrojet ion engines are used, with argon being the propellant gas, and 17 to 25 MW of power is needed. Power supply is either solar (120 000 sq. m sails providing 18 Mvt) or nuclear (25 MW).

Полет в сфере действия Земли – старт с орбиты ИСЗ
Flight in Earth’s orbit – launch from artificial satellite orbit
Старт с опорной орбиты искусственного спутника Земли
Launch from support orbit of the artificial companion of the Earth		 10/10/2017  00:46:00 
Время раскрутки, сутки
Acceleration time, days		 99.926
Расход топлива, тонн
Fuel used, tonnes		 34.888
Перелет Земля-Марс
Flight from Earth to Mars
Дата отлета со сферы действия Земли
Date of leaving Earth’s gravitational influence		 17/01/2018  23:00:00
Время перелета Т, сутки
Flight time, days		 216.083
Моторное время t, сутки
Motor time t, days		 142.260
Расход топлива, тонн
Fuel used, tonnes		 49.669
Полет в сфере действия Марса
Flight in Mars orbit
Дата выхода на сферу действия Марса
Exit date from Mars’ gravitational influence		 22/08/2018  01:00:00
Время скрутки, сутки
Time duration, days		 38.216
Расход топлива, тонн
Fuel used, tonnes		 13.343
Дата выхода на орбиту искусственного спутника Марса
Date of entering orbit around the artificial satellite of Mars		 29/09/2018  06:11:00
Орбитальная фаза полета, сутки
Orbital phase of flight, days		 29.883
Дата схода с орбиты искусственного спутника Марса
Date of descent from orbit of the artificial satellite of Mars		 29/10/2018  03:39:00
Время раскрутки, сутки
Acceleration time, days		 37.014
Расход топлива, тонн
Fuel used, tonnes		 12.923
Перелет Марс-Земля
Flight from Mars to Earth
Дата отлета со сферы действия Марса
Date of leaving Mars’ gravitational influence 		5/12/2018  03:59:00
Время перелета Т, сутки
Flight time, days		 249
Моторное время t, сутки
Acceleration time, days		 159.9
Расход топлива, тонн
Fuel used, tonnes		 55.828
Полет в сфере действия Земли – возвращение
Flight in sphere of action of the Earth – returning
Дата выхода на сферу действия Земли
Exit date from Earth’s gravitational influence		 11/08/2019  03:59:00
Время скрутки, сутки
Flight time, days		 59.948
Расход топлива, тонн
Fuel used, tonnes		 20.93
Дата завершения полета
Flight completion date		 10/10/2019  02:44:00
Характеристики уточненной баллистической схемы
Characteristics of the refined trajectory plan
Общее время экспедиции, сутки
Total expedition duration, days		 730.07
Затраты рабочего тела, тонн
Energiy of working body, tonnes		 187.581
Начальная масса МПК на орбите ИСЗ
The initial mass of the MPK on-orbit satellite		 385.1
Минимальное расстояние от Солнца, а. е.
Minimum distance from the Sun		 0.570

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