Chandrayaan PSLV C11

8/13/2019 Chandrayaan PSLV C11

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Chandrayaan-1Objectives:

1. To expand scientific knowledge about the moon

2. To upgrade India's technological capability

3. To provide challenging opportunities forplanetary

research to the younger generation of Indian

scientists

Mission:

To place an unmanned spacecraft in an orbit around

the moon

To conduct mineralogical and chemical mapping of

the lunar surface

Chandrayaan-1 aims to achieve these well definedobjectives through high resolution remote sensing of the

moon in the visible, near infrared, microwave and X-ray

regions of the electromagnetic spectrum. With this,

preparation of a 3-dimensional atlas of the lunar surface

and chemical mapping of entire lunar surface isenvisaged


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Parameter Earth Moon

Diameter 12,742 km 3,474 km

Mass 5.9x1024 kg 7.475x1022 kg

Volume 1.08 3206x1021 m3 2.199X1019 m3

Density 5.52 g/cm3 3.34 g/cm3

Surface Gravity 1 g 0.166 g

MOON

Earth distance 384,000 km

Period 27.3 days and takes the same time to spin around its own axis.

Thus, one hemisphere of the moon ('the far-side') is not visible

No atmosphere. Thus, liquid water cannot exist on the moon.

Results from the recent unmanned spacecraft missions have raised the

possibility of what appears to be the presence of water ice in the lunar

polar regions


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Oct 22 06:22 Launch 25522,860 km T 6.5 hrs

Oct 23

09:00 LAM 18 min

30537,900 km

T 11 hrs

Oct 25 05:48 LAM 16 min 36674,715 km T 25.5 hrs

Oct 26 07:08 LAM 9.5 min348164,600 km T 73 hrs

Oct 29

07:38 LAM 3 min

465267,000 km

T 6 days

Oct 31 08:00 Terrain Mapping Camera ON (9000 km)

Nov 04 04:56 LAM 2.5 min465380,000 km T 11 days

Nov 08 16:51 LAM 817 sec 5047502 km T 11 hrs

Nov 09 20:03 LAM 57 sec 2007502 T 10.5 hrs

Nov 10-11-12 LAM 18 min 182/100255/100T 2 hrs

Chronology


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11 Payloads 5 IndianTerrain Mapp ing Camera (TMC) topography of the moon.Hyperspectral Imager (HySI)mineralogical composition ofMoons surface & interior.

Lun ar Laser Ranging

Ins trument (LLRI) height of

lunar surface features.

High Energy X-ray

Spectrometer (HEX) PolarRegions water-ice deposits and

regions of high Uranium and

Thorium concentrations.

Moon Imp act Probe (MIP)technologies related to future soft

landing missions.

Chand rayaan-1 Imaging X ray Spectrometer (C1XS), Smart Near Infr ared

Spect rom eter (SIR-2) & Sub ki loelect ronvo l t Atom Reflect ing A nalyser (SAR) of ESA.

Radiat ion Dos e Monitor (RADOM) of Bulgaria.

Mini Syn thet ic Aperture Radar (MiniSAR) & Moon Mineralogy Mapper (M3) of USA

1380 kg 1.5 m cuboid 700 W


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Chandrayaan-1 Pre-launch Checks


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PSLV C 11


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PSLV C 11


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Terrain Mapping Camera (TMC) Operated on Oct 31

08:00

9000 kmNorthern coast of Australia

12:30

70000 kmSouthern coast of Australia


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MOON MISSIONS

Sept 1959: First successful hard landing on the moon by Luna 2

of the USSR

July 20, 1969: Neil Armstrong, commander of the US mission

Apollo 11, becomes the first man to walk on moon

Nov 1970: The first robotic rover Lunokhod-1 part of the Luna 17mission of the USSR makes a successful moon landing

Jan 1990: Japans Hiten orbits the moon, making it the third

country after USSR and the US to do so.

Sept 2003: European Space Agency launches a small low-cost

lunar orbiter SMART-1


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MOON MISSIONS

Dec 1968:Apollo 8 of the US becomes the first spacecraft

carrying humans to orbit the moon

Aug 1976: Luna 24 of the USSR returns to earth, making it the

last major lunar mission till 1990

2007: Japan launches its lunar orbiter, Selene for mapping of

lunar topography and to study the geological evolution of the

moon

2007: The first phase of Chinas Lunar Exploration Programmeinitiated with the launch of its unmanned lunar mission, Change 1

Chandrayaan PSLV C11

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