MOM Mars Orbiter Mission ISRO India's first interplanetary mission Slide Presentation Compiled by: Prof. VeeraManickam –TCOER-Pune This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.5 India License. MOM Mars Orbiter Mission ISRO For more information http://isro.gov.in/pslv-c25-mars-orbiter-mission

ISRO Mars : Image by MOM Image Source https:http://isro. gov.in/pslv-c25- mars-orbiter- mission

ISRO Introduction : MOM Marking India's first venture into the interplanetary space, MOM will explore and observe Mars surface features, morphology, mineralogy and the Martian atmosphere. Further, a specific search for methane in the Martian atmosphere will provide information about the possibility or the past existence of life on the planet. The enormous distances involved in interplanetary missions present a demanding challenge; developing and mastering the technologies essential for these missions will open endless possibilities for space exploration.

ISRO : 4th Space Agency to reach Mars After leaving Earth, the Orbiter will have to endure the Interplanetary space for 300 days before Mars capture. Apart from deep space communications and navigation-guidance-control capabilities, the mission will require autonomy at the spacecraft end to handle contingencies. ISRO has become the fourth space agency to reach Mars, after the Soviet space program, NASA, and the European Space Agency.[01]

MOM : Apogee-raising Orbital Manoeuvres The MOM probe spent about a month in Earth orbit, where it made a series of seven apogee-raising orbital manoeuvres before trans-Mars injection on 30 November 2013. After a 298-day transit to Mars, it was successfully inserted into Mars orbit on 24 September 2014. Image Source https:http://isro.gov.in/pslv-c25- mars-orbiter-mission

MOM : Apogee-raising Orbital Manoeuvres 1. Geo Centric Phase The spacecraft is injected into an Elliptic Parking Orbit by the launcher. With six main engine burns, the spacecraft is gradually maneuvered into a departure hyperbolic trajectory with which it escapes from the Earth’s Sphere of Influence (SOI) with Earth’s orbital velocity + V boost. The SOI of earth ends at 918347 km from the surface of the earth beyond which the perturbing force on the orbiter is mainly due to the Sun. 2. Helio Centric Phase The spacecraft leaves Earth in a direction tangential to Earth’s orbit and encounters Mars tangentially to its orbit. The flight path is roughly one half of an ellipse around sun. Eventually it will intersect the orbit of Mars at the exact moment when Mars is there too. 3. Martian Phase The spacecraft arrives at the Mars Sphere of Influence (around 573473 km from the surface of Mars) in a hyperbolic trajectory. At the time the spacecraft reaches the closest approach to Mars (Periapsis), it is captured into planned orbit around mars by imparting ∆V retro which is called the Mars Orbit Insertion (MOI) manoeuvre. Source Credit : http://isro.gov.in/pslv-c25-mars-orbiter-mission/mars-orbiter-mission-profile

MOM: PLSV –C 25 PSLV-C25, twenty fifth flight of PSLV will launch Mars Orbiter Mission Spacecraft from the First Launch Pad at Satish Dhawan Space Centre SHAR, Sriharikota. The challenging PSLV-C25 mission is optimized for the launch of Mars Orbiter Mission spacecraft into a highly elliptical Earth orbit with a perigee (nearest point to Earth) of 250 km and an apogee (farthest point to Earth) of 23,500 km with an inclination of 19.2 degree with respect to the equator.

PSLC – C25 Propellant Stages ISRO PSLC – C25 Propellant Stages Source credit : http://isro.gov.in/launcher/pslv-c25

Mars Orbiter Mission Spacecraft ISRO Mars Orbiter Mission Spacecraft The Mission is primarily technological mission considering the critical mission operations and stringent requirements on propulsion and other bus systems of spacecraft. It has been configured to carry out observation of physical features of mars and carry out limited study of Martian atmosphere with following five payloads: Mars Color Camera (MCC) Thermal Infrared Imaging Spectrometer (TIS) Methane Sensor for Mars (MSM) Mars Exospheric Neutral Composition Analyzer (MENCA) Lyman Alpha Photometer (LAP)

Five Payloads ISRO Image Source http://www.isro.gov.in/Spacecraft/mars-orbiter-mission-spacecraft

Mars Orbiter Mission Spacecraft ISRO Image Source http://www.isro.gov.in/Spacecraft/mars-orbiter-mission-spacecraft

MOM : assembled to lv2 ISRO Image Source http://www.isro.gov.in/Spacecraft/mars-orbiter-mission-spacecraft

MOM Launch Mass: Type of Satellite: Launch Date: Manufacturer: Power: ISRO MOM Launch Mass:  1337 kg Launch Date:  Tuesday, November 5, 2013 Power:  840 W Launch Vehicle:  PSLV-C25 Type of Satellite:  Science & Exploration Manufacturer:  ISRO Owner:  Orbit Type:  Martian

MOM : Image Gallery ISRO

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