CleanupBot II at 01:24, 14 August 2023

2023-08-14T01:24:37Z

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{{Infobox spaceflight
| name = INSAT-3B
| image =
| image_caption =

| mission_type = [[Communications satellite|Communication]]
| operator = [[INSAT]]
| website =
| COSPAR_ID = 2000-016B
| SATCAT = 26108
| mission_duration = 12 years

| spacecraft_bus = [[I-2K]]
| manufacturer = [[ISRO]]
| dry_mass =
| launch_mass = {{convert|2070|kg|lb}}
| power = 1,712 watts

| launch_date = {{start-date|21 March 2000}}
| launch_rocket = [[Ariane 5|Ariane 5G]]
| launch_site = [[Guiana Space Centre|Kourou]] [[ELA-3]]
| launch_contractor = [[Arianespace]]
| entered_service =

| disposal_type =
| deactivated = 

| orbit_epoch = 23 April 2000<ref name="satcat">{{cite web |last=McDowell |first=Jonathan |title=SATCAT |url=http://planet4589.org/space/log/satcat.txt |publisher=Jonathan's Space Pages |access-date=3 May 2018}}</ref>
| orbit_reference = [[Geocentric orbit|Geocentric]]
| orbit_regime = [[Geostationary orbit|Geostationary]]
| orbit_periapsis = {{convert|35743|km|mi}}<ref name="satcat"/>
| orbit_apoapsis = {{convert|35829|km|mi}}<ref name="satcat"/>
| orbit_inclination = 0.01 degrees<ref name="satcat"/>
| orbit_period = 1,436.06 minutes<ref name="satcat"/>
| orbit_longitude = 83° East
| orbit_slot =
| apsis = gee

| trans_band =
| trans_frequency =
| trans_bandwidth =
| trans_capacity =
| trans_coverage =
| trans_TWTA =
| trans_EIRP =
| trans_HPBW =
}}

'''INSAT-3B''' is an [[India]]n [[communications satellite]] which was built by the [[Indian Space Research Organisation]] and operated by [[Indian National Satellite System]].

== Overview ==
INSAT–3B is the first satellite built under INSAT–3 series of satellites to join INSAT system. It is based on the I-2000 [[satellite bus]]. This satellite primarily serves to business communication, mobile communication and developmental communication.it provides the first set to transponders for Swaran Jayanti Vidya Vikas Antariksh Upagraha Yojana (Vidya Vahini) for interactive training and developmental communication. It is 3 – axis body stabilized in orbit using momentum and reaction wheels, solar flaps, [[Magnetorquer|magnetic torquers]] and eight 10 N and eight 22 N reaction control thrusters.

Its propulsion system consists of 440 N [[Apogee kick motor|Liquid Apogee Motor]] [[Mixed Oxides of Nitrogen|MON-3 (Mixed Oxides of Nitrogen)]] and [[Monomethylhydrazine|MMH (MonoMethylHydrazine)]] for [[orbit raising]].

== Launch ==
Insat-3B was launched on the 128th flight of European launch vehicle, [[Ariane (rocket family)|Ariane]] of [[Arianespace]], on 21 March 2000, at 23:28 [[UTC]] from [[ELA-3]] at [[Kourou]] in [[French Guiana]] along with its co-passenger, a broadcast satellite, [[AsiaStar]], belonging to a US company, [[WorldSpace]].

== Payload ==
* 12 extended [[C band (IEEE)|C-Band]] Transponders each having a [[Bandwidth (signal processing)|bandwidth]] of 36 MHz with power of 15 W
* Five [[Ku-band]] Transponders providing three channels, having a bandwidth of 77/72 MHz with power of 55W
* Mobile Satellite Services (MSS) operating in C/S band frequencies

== References ==
{{reflist}}
{{refbegin}}
*{{cite web|url=http://space.skyrocket.de/doc_sdat/insat-3b.htm|title=Insat 3B|publisher=Gunter's Space Page|first=Gunter|last=Krebs|access-date=2009-05-02}}
*{{cite web|url=http://www.lyngsat.com/tracker/in3b.html|title=Insat 3B|publisher=Lyngsat|access-date=2009-05-02}}
*{{cite web|url=http://planet4589.org/space/jsr/back/news.422|title=Issue 422|publisher=Jonathan's Space Report|first=Jonathan|last=McDowell|access-date=2009-05-02|date=2000-03-28|archive-url=https://web.archive.org/web/20110608005808/http://planet4589.org/space/jsr/back/news.422|archive-date=2011-06-08|url-status=dead}}
*{{cite web|url=http://www.tbs-satellite.com/tse/online/sat_insat_3b.html|title=Insat 3B|publisher=TSE|access-date=2009-05-02}}
*{{cite web|url=http://docs.newsbank.com/g/GooglePM/BBAB/lib00590,0F97D96FDF61E548.html|title=Insat-3B satellite successfully launched into orbit|publisher=BBC Archive}}
*{{cite web|url=http://docs.newsbank.com/g/GooglePM/BBAB/lib00590,0F97D97C60BDAC37.html|title=Insat-3B second orbit raising operation successfully carried out|publisher=BBC Archive}}
{{refend}}

{{INSAT Satellites}}
{{Indian spacecraft}}
{{Orbital launches in 2000}}

[[Category:Communications satellites in geostationary orbit]]
[[Category:Spacecraft launched in 2000]]
[[Category:INSAT satellites]]
[[Category:2000 in India]]

INSAT-3B - Revision history

CleanupBot II at 01:24, 14 August 2023