ISRO Chandrayaan 3 Mission

1977 - Present
Anshul Kumar Sahoo

CONTENT
Indian Space Research Organisation Republic of India
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ABOUT ISRO
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About ISRO
• The Indian Space Research Organization (ISRO) is the national space agency of India.
• It operates as the primary research and development arm of the Department of Space (DoS), which is directly
overseen by the Prime Minister of India, while the Chairman of ISRO also acts as the executive of DoS.
• ISRO is primarily responsible for performing tasks related to space-based operations, space exploration,
international space cooperation and the development of related technologies.
• ISRO is one of the six government space agencies in the world that possesses full launch capabilities, can
deploy cryogenic engines, can launch extraterrestrial missions and operate a large fleet of artificial satellites.
• ISRO is one of the four government space agencies to have soft landing (uncrewed) capabilities.
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CHANDRAYAAN MISSION
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Chandrayaan Mission
• Chandrayaan-3 is a follow-on mission to Chandrayaan-2 to demonstrate end-to-end capability in safe landing
and roving on the lunar surface. It consists of Lander and Rover configuration.
• It will be launched by LVM3 from SDSC SHAR, Sriharikota. The propulsion module will carry the lander and
rover configuration till 100 km lunar orbit. The propulsion module has Spectro-polarimetry of Habitable Planet
Earth (SHAPE) payload to study the spectral and Polari metric measurements of Earth from the lunar orbit.
• Lander payloads: Chandra’s Surface Thermophysical Experiment (ChaSTE) to measure the thermal conductivity
and temperature; Instrument for Lunar Seismic Activity (ILSA) for measuring the seismicity around the landing
site; Langmuir Probe (LP) to estimate the plasma density and its variations. A passive Laser Retroreflector
Array from NASA is accommodated for lunar laser ranging studies.
• Rover payloads: Alpha Particle X-ray Spectrometer (APXS) and Laser Induced Breakdown Spectroscope (LIBS)
for deriving the elemental composition in the vicinity of landing site.
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Chandrayaan Mission
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Mission Objective
The mission objectives of Chandrayaan-3 are:
1. To demonstrate Safe and Soft Landing on Lunar Surface
2. To demonstrate Rover roving on the moon and
3. To conduct in-situ scientific experiments.

MISSION OVERVIEW
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Mission Overview
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Propulsion Module
• Chandrayaan-3 consists of an indigenous propulsion module, lander
module, and a rover with an objective of developing and
demonstrating new technologies required for inter-planetary
missions.
• The propulsion module will carry the lander and rover from
injection orbit to till 100 km lunar orbit. It also carries a Spectro-
polarimetry of Habitable Planetary Earth (SHAPE) payload to study
the spectral and polarimetric measurements of earth from the
lunar orbit.
• The main function of Propulsion Module is to carry the LM from
launch vehicle injection orbit to till Lander separation.

Mission Overview
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Lander Module
• The Vikram lander is responsible for the softlanding on moon. It
consist of four landing leg and for thrusters capale of producing
800 Newtons of thrust each. It carries rover Pragyan and various
other scientific instruments to perform on-site analysis.
• ISRO improved the structural rigidity, increased polling in
instruments, increased data frequency and transmission, and
added additional multiple contingency systems to improve
lander survivability in the event of failure during descent and
landing.
Mission Life 1 Lunar day (14 Earth days)
Mass 1749.86 kg including Rover
Power 738 W (Winter solstice)
Payloads 3
Dimensions (mm3) 2000 x 2000 x 1166
Communication 69.367621 S, 32.348126 E
Landing site 69.367621 S, 32.348126 E

Mission Overview
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Rover
• The Pragyan rover is a six-wheeled vehicle with a mass of 26
kilograms (57 pounds). It is 917 by 750 by 397 millimeters
(36.1 in × 29.5 in × 15.6 in) in size.
• The rover is expected to take multiple measurements to
support research into the composition of the lunar surface,
the presence of water ice in the lunar soil, the history of
lunar impacts, and the evolution of the Moon's atmosphere.
Mission Life 1 Lunar day (14 Earth days)
Mass 26 kg
Power 50 W
Payloads 2
Dimensions (mm3) 917 x 750 x 397
Communication Lander

Mission Overview
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L3M3-M4 Vehicle Payload Fairing
Chandrayaan 3 Payload
C25 Cryogenic Stage
L110 Liquid Stage
S200
Solid
Rocket
Boosters

MISSION SEQUENCE
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Mission Sequence
S200
Ignition
L110
Ignition
S200
Separation
S200
Ignition
PLF
Separation
PLF
Separation
C25
Ignition
C25
Shut-of
Satellite Separation
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Mission Sequence
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Mission Sequence
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Chandrayaan 3 Orbit
Earth
Earth
Moon
Orbit raising phase
Moon
Orbit raising phase

Mission Sequence
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Chandrayaan 3 Orbit
Earth
Moon
Around the Earth

Mission Sequence
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Chandrayaan 3 Orbit
Earth
Moon
Around the Moon

Mission Sequence
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Lift off
Chandrayaan-3 was launched aboard an LVM3-M4 rocket on 14 July 2023, at 09:05 UTC from Satish Dhawan Space
Centre Second Launch Pad in Sriharikota, Andhra Pradesh, India, entering an Earth parking orbit with a perigee of 170
km (106 mi) and an apogee of 36,500 km (22,680 mi).
14-July-2023

Mission Sequence
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Separation
A camera captured the Chandrayaan-3 spacecraft as it separated from the launch vehicle in Earth’s orbit.
14-July-2023

Mission Sequence
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Entering lunar orbit
Chandrayaan-3 was launched aboard an LVM3-M4 rocket on 14 July 2023, at 09:05 UTC from Satish Dhawan Space
Centre Second Launch Pad in Sriharikota, Andhra Pradesh, India, entering an Earth parking orbit with a perigee of 170
km (106 mi) and an apogee of 36,500 km (22,680 mi).
14-Aug-2023

PAYLOADS
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Payloads
RAMBHA-LP
Langmuir Probe
To measure the near surface
plasma (ions and electrons)
density and its changes with
time.
ChaSTE
Chandra’s Surface Thermo-
physical Experiment
To carry out the measurements
of thermal properties of lunar
surface near polar region.
ILSA
Instrument for Lunar Seismic
Activity
To measure seismicity around
the landing site and delineating
the structure of the lunar crust
and mantle.
Rover Payloads
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Payloads
Rover Payload
APXS
Alpha Particle X-Ray Spectrometer
To derive the chemical composition and
infer mineralogical composition to further
enhance our understanding of lunar
surface.
LIBS
Laser Induced Breakdown Spectroscope
To determine the elemental composition
(Mg, Al, Si, K, Ca, Ti, Fe) of lunar soil and
rocks around the lunar landing site.
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Payloads
Propulsion Module Payload
SHAPE
Spectro-polarimetry of HAbitable Planet Earth
An experimental payload to study the spectro-
polarimetric signatures of the habitable planet
Earth in the near-infrared (NIR) wavelength
range (1-1.7 μm).
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EXPERIMENTS
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Experiment
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Hope Experiment
missions.
lunar orbit.

Experiments
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Hope Experiment
missions.
lunar orbit.

Experiments
In-situ Scientific Experiments
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Experiments
ChaSTE Payload Observations
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NEWSPAPER HEADLINES
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Newspaper Headlines
The Guardian
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Newspaper Headlines
The New York Times
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Newspaper Headlines
BBC
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Newspaper Headlines
CNN
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Newspaper Headlines
The Hindu
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Newspaper Headlines
Hindustan Times
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Newspaper Headlines
The Telegraph
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GALLERY
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GALLERY
www.isro.gov.in www.facebook.com/ISRO/ @isro @isroofficial5866/featured Indian Space Research Organisation Republic of India
www.isro.gov.in www.facebook.com/ISRO/ @isro @isroofficial5866/featured
www.isro.gov.in Indian Space Research Organisation
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GALLERY
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This GIF alternates between LRO views from June 27, 2020, and Aug.
24, 2023 â€“ before and after the appearance of a new impact crater
likely from Russia’s Luna 25 mission. u003cstrongu003eCredits: NASA’s
Goddard Space Flight Center/Arizona State
Universityu003c/strongu003e

GALLERY
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During the descent to the surface, the Russian spacecraft Luna 25
experienced an anomaly that caused it to impact into the southwest
rim of Pontécoulant G crater on Aug. 19, 2023, at 7:58 a.m. EDT (11:58
a.m. UTC). This image is 1,100 meters wide, and lunar north is up.
(LROC NAC frame No. M1447547309R)
NASA’s Goddard Space Flight Center/Arizona State University

GALLERY
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LROC NAC image enlarged four times centered on the likely Luna 25
crater. Image width is 275 meters; north is up. (Frame No.
M1447547309R)
NASA’s Goddard Space Flight Center/Arizona State University

REFERENCE
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REFERENCE
• https://www.isro.gov.in/
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THANK YOU
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ISRO Chandrayaan 3 Mission

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