INSAT-3C

INSAT 3C
Spacecraft properties


Mission type	Communications Weather
Operator	ISRO
COSPAR ID	2002-002A
Website	INSAT 3C

Bus	I-2K
Launch mass	2,750 kilograms (6,060 lb)
Power	2.765 kilowatts

Start of mission
Launch date	23 January 2002, 23:46:57 (2002-01-23UTC23:46:57Z) UTC
Rocket	Ariane-42L H10-3
Launch site	Kourou ELA-3
Contractor	Arianespace

Orbital parameters
Reference system	Geocentric
Regime	Geostationary
Longitude	74° East (0°N 74°E / 0°N +74°E / 0; +74Coordinates: 0°N 74°E / 0°N +74°E / 0; +74)
Inclination	4 degrees
Period	24 hours

INSAT-3C is a multipurpose satellite built by ISRO and launched by Arianespace in Jan 2002. INSAT-3C is the second satellite of the INSAT-3 series. All the transponders provide coverage over India.Insat-3C is controlled from the Master Control Facility at Hassan in Karnataka.It will provide voice, video and digital data services to India and neighboring countries.

Launch

INSAT 3C was launched by the Ariane 4 launch vehicle of Arianespace at 5:17 am IST from Kourou, French Guyana in South America. INSAT-3C was placed into a Geo-synchronous Transfer Orbit (GTO), 21 minutes after the lift-off, in a 3-axis stabilised mode, with a perigee of 570 km and an apogee of 35,920 km and an inclination of 4° with respect to the equator. After 4 maneuvers INSAT-3C has been put in its final three axis stabilised mode on February 1, 2002.The orbit rising maneuvers were carried out in phases by firing the 440 Newton Liquid Apogee Motor(LAM). The satellite carried about 1.5 tonne of propellant (MMH (MonoMethylHydrazine) and MON-3 (Mixed Oxides of Nitrogen)) for orbit raising operations as well as for station keeping and in-orbit attitude control.INSAT-3C like all of its predecessors in the INSAT series has a 3-axis body stabilized spacecraft using momentum/reaction wheels earth sensors, sun sensors, inertial reference unit and magnetic torquers.It is equipped with unified bi-propellant thrusters.

Payload

INSAT-3C, carrying Fixed Satellite Services (FSS) transponders, Broadcast Satellite Services (BSS) transponders & Mobile Satellite Services (MSS) transponders is intended to continue the service of INSAT-2DT and INSAT-2C which were nearing their end to life besides enhancing and augmenting the INSAT system capacity.

24 Normal C-band transponders providing an EIRP of 37 dBW
6 Extended C-band transponders with EIRP of 37 dBW
2 S-band transponders to provide BSS services with 42 dBW EIRP
1 MSS transponder operating in S-band up-link and C-band downlink

References

^[1] ^[2] ^[3] ^[4] ^[5] ^[6]

External links

INSAT satellites

INSAT-1 series	INSAT-1A INSAT-1B INSAT-1C INSAT-1D

INSAT-2 series	INSAT-2A INSAT-2B INSAT-2C INSAT-2D INSAT-2DT INSAT-2E

INSAT-3 series	INSAT-3A INSAT-3B INSAT-3C INSAT-3D INSAT-3DR INSAT-3DS INSAT-3E

INSAT-4 series	INSAT-4A INSAT-4B INSAT-4C INSAT-4CR INSAT-4E INSAT-4F INSAT-4G

← 2001 · Orbital launches in 2002 · 2003 →

USA-164 \| INSAT-3C \| Tsubasa · DASH · VEP-3 \| HESSI \| Iridium 90 · Iridium 91 · Iridium 94 · Iridium 95 · Iridium 96 \| EchoStar VII \| Intelsat 904 \| Kosmos 2387 \| Envisat \| STS-109 \| TDRS-9 \| GRACE \| Progress M1-8 \| Shenzhou 3 \| JCSAT-8 · Astra 3A \| Intelsat 903 \| Kosmos 2388 \| STS-110 (ITS S0) \| NSS-7 \| Soyuz TM-34 \| SPOT-5 · Idefix \| Aqua \| DirecTV-5 \| Feng Yun 1D · Hai Yang 1A \| Ofek-5 \| Kosmos 2389 \| Intelsat 905 \| STS-111 (Leonardo MPLM) \| Ekspress A1R \| Galaxy 3C \| Iridium 97 · Iridium 98 \| NOAA-17 \| Progress M-46 \| CONTOUR \| Stellat 5 · N-STAR c \| Kosmos 2390 · Kosmos 2391 \| Kosmos 2392 \| Hot Bird 6 \| EchoStar VIII \| Atlantic Bird 1 · MSG-1 \| Intelsat 906 \| USERS · Kodama \| METSAT \| Tsinghua 2 \| Hispasat 1D \| Progress M1-9 \| Nadezhda 7 \| STS-112 (ITS S1) \| Foton-M No.1 \| INTEGRAL \| Zi Yuan 2B \| Soyuz TMA-1 \| Eutelsat W5 \| STS-113 (ITS P1 · MEPSI 1A · MEPSI 1B) \| Astra 1K \| AlSAT-1 · Mozhayets 3 · Rubin-3 \| TDRS-10 \| Hot Bird 7 · Stentor · MFD-A · MFD-B \| ADEOS II · Kanta Kun · FedSat · µ-LabSat 1 (RITE 1 · RITE 2) \| NSS-6 \| TrailBlazer-2001 STA · Saudisat 1C · LatinSat A · LatinSat B · UniSat 2 · Rubin 2 \| Kosmos 2393 \| Kosmos 2394 · Kosmos 2395 · Kosmos 2396 \| Shenzhou 4 \| Nimiq 2

Payloads are separated by bullets ( · ), launches by pipes ( \| ). Manned flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in brackets.

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