Author Topic: ISRO General News  (Read 309978 times)

Offline Jajar

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Re: ISRO General News
« Reply #820 on: 12/29/2018 07:46 pm »
Guys, as a summary, what are the planned missions for ISRO in 2019 ? Like satellites, missions, rockets, expected launch dates etc etc

Offline Steven Pietrobon

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Re: ISRO General News
« Reply #821 on: 12/29/2018 11:46 pm »
Guys, as a summary, what are the planned missions for ISRO in 2019 ? Like satellites, missions, rockets, expected launch dates etc etc

See the Indian launch schedule thread.

https://forum.nasaspaceflight.com/index.php?topic=1173.msg1881723#msg1881723
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Vikranth

Re: ISRO General News
« Reply #822 on: 12/30/2018 04:51 am »
A very instructive video of PSLV subsystems,From 1990's

Offline worldtimedate

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Re: ISRO General News
« Reply #823 on: 01/02/2019 07:06 am »
Isro's New Year resolution: To launch 14 rockets from Sriharikota

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As many as 14 rockets will lift off from Satish Dhawan Space Centre in Sriharikota this year, as the Indian Space Research Organisation gears up to launch 32 missions. These rockets will include GSLV Mk III for Chandrayaan-2, which will be the 25th mission from the second launch pad at the spaceport.

In his New Year message, Isro chairman K Sivan said besides the development flights of Small Satellite Launch Vehicle (SSLV), activities for Gaganyaan, the human spaceflight, would go in full steam to accomplish the various development and qualification milestones. "The year 2019 promises to be much more challenging to the Isro community with 32 planned missions (14 launch vehicles, 17 satellites and one tech demo missions)," the chairman said in his message posted on the space agency's website.

He also said that Isro was aiming at attaining operational geo-imaging capability through the GISAT series, which will reinstate the microwave remote sensing capability of RISAT. Simultaneously, the payload capability of GSLV and its variants will also be progressively improved.

Offline Jajar

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Re: ISRO General News
« Reply #824 on: 01/02/2019 07:52 am »
Any news on GSAT-31 ? Is it still slated to be launched by January end by Ariane rocket ?

Offline isro-watch

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Re: ISRO General News
« Reply #825 on: 01/02/2019 11:57 pm »
Stephen's website points to an early Feb 2018 launch

http://www.sworld.com.au/steven/space/ariane-man.txt

Any news on GSAT-31 ? Is it still slated to be launched by January end by Ariane rocket ?

Offline zubenelgenubi

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Re: ISRO General News
« Reply #826 on: 01/03/2019 12:31 am »
Any news on GSAT-31 ? Is it still slated to be launched by January end by Ariane rocket ?

A few suggestions for newer NSF members...please take advantage of the depth and scope of NSF coverage! ;)

Use the NSF forum Search function to find relevant NSF forum posts.  (Examples: "GSAT-31" or "VA247")

For Arianespace launches, check the most recent posts on the "Arianespace launch schedule" thread.
https://forum.nasaspaceflight.com/index.php?topic=6114.0
The same goes for the other major orbital launcher nations, in their respective sub-forums.

Check for the relevant launch thread--in this case, the VA247 thread--it has GSAT-31 in the title.
https://forum.nasaspaceflight.com/index.php?topic=44555.0
It's there that you'll find discussion of the unconfirmed delay of the launch to, perhaps, February 5.
Support your local planetarium!

Offline DreamyPickle

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Re: ISRO General News
« Reply #827 on: 01/15/2019 12:27 am »
Not clear where exactly to post this so this big news thread would do. From a recent article:

Quote
Isro developing technology to reuse first & second stage

In a bid to cut cost of satellite launchers, Indian Space Research Organisation (Isro) is working on reusable launch technology for using the first and second stages of a rocket multiple times. To master this technology, Isro is going to conduct an advanced version of the reusable launch technology (RLV) test in June-July.

Talking to TOI, Isro chairman K Sivan said, "We are working on a reusable launch technology in order to recover the first and second stages of a rocket so that we can reuse them to cut cost and carry heavier payloads. The first rocket stage will be recovered on a vertical landing spot on the sea like SpaceX has been doing it with its Falcon rocket. However, recovering the second stage is not simple. We are, therefore, developing a winged body like a space shuttle. This shuttle will be attached as a second stage in a rocket. It will carry the top portion of the rocket comprising a satellite or spacecraft to space. Once it injects the satellite in its orbit, the shuttle will glide back to the earth and land on an airstrip like an aircraft."

They're apparently planning a drop test of the reusable second stand in June/July and an orbital test "later"

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Isro had conducted the first demonstration test of India's winged body vehicle on May 23, 2016. Then, the RLV had reached a height of 70 km and was manoeuvred back to earth where it glided down into the Indian Ocean and disintegrated.

On the June-July test, Sivan said, "The test will be different this time where a helicopter will take the shuttle to a considerable height and from that height, the winged body will be dropped. The shuttle will then glide back to earth and land on an airstrip." Isro is also planning to conduct a third test of the RLV from the orbit. There is speculation that the landing strip could be made in Andaman and Nicobar islands. However, no final decision has been taken yet.

It's very impressive that ISRO is attempting both first and second stage reuse, and since they already have multiple launchers they can develop these stages in parallel.
« Last Edit: 01/15/2019 02:19 am by DreamyPickle »

Offline sanman

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Re: ISRO General News
« Reply #828 on: 01/15/2019 12:56 am »
So a reusable winged upper stage atop a reusable VTVL booster? That sort of sounds like the inverse of the TSTO.



Maybe ISRO has a flexible path mentality in achieving the broader goals.

(Or maybe we're seeing just how messy the sausage-making process is -- just like with Starship+Superheavy, basic design aspects can keep changing)
« Last Edit: 01/15/2019 02:58 am by sanman »

Offline DreamyPickle

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Re: ISRO General News
« Reply #829 on: 01/15/2019 08:52 am »
So a reusable winged upper stage atop a reusable VTVL booster? That sort of sounds like the inverse of the TSTO.
Same architecture as BFR, only smaller. VTVL boosters seem to work very well for SpaceX, it's a reusable upper stage that nobody has figured out yet. Upper stages have an awkward unbalanced shape for capsule-style reentry so everybody seems to add wings.

BTW, I just noticed that barge in the graphic is a photo of a SpaceX ASDS and if you squint just right you can make out the edges of their logo.

Offline isro-watch

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Re: ISRO General News
« Reply #830 on: 01/15/2019 02:18 pm »
The image was developed by a news agency and not a ISRO rendering of the rocket.

So a reusable winged upper stage atop a reusable VTVL booster? That sort of sounds like the inverse of the TSTO.
Same architecture as BFR, only smaller. VTVL boosters seem to work very well for SpaceX, it's a reusable upper stage that nobody has figured out yet. Upper stages have an awkward unbalanced shape for capsule-style reentry so everybody seems to add wings.

BTW, I just noticed that barge in the graphic is a photo of a SpaceX ASDS and if you squint just right you can make out the edges of their logo.

Offline sanman

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Re: ISRO General News
« Reply #831 on: 01/15/2019 06:16 pm »
The image was developed by a news agency and not a ISRO rendering of the rocket.

Fair enough - it may just be TimesOfIndia's own creative interpretation.

Same architecture as BFR, only smaller. VTVL boosters seem to work very well for SpaceX, it's a reusable upper stage that nobody has figured out yet. Upper stages have an awkward unbalanced shape for capsule-style reentry so everybody seems to add wings.

BFR-Starship uses the "skydiver falling" as its re-entry method, since it wants to adhere to vertical landing for off-world needs. I guess it's therefore not useful to try it on a smaller vehicle, since it won't be traveling as far.

Quote
BTW, I just noticed that barge in the graphic is a photo of a SpaceX ASDS and if you squint just right you can make out the edges of their logo.

That's par for the course with Indian media.  :P
I didn't even notice there was an ASDS/barge pasted in there - I just thought we were supposed to imagine one.

Offline sanman

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Re: ISRO General News
« Reply #832 on: 01/16/2019 09:51 pm »
Meeting Held Between Roskosmos and ISRO Representatives

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On January 15, 2019, a meeting was held in Roscosmos with the delegation of the Indian Space Research Organization (ISRO), which was attended by the head of Roscosmos Dmitry Rogozin, the general director of AO NPO Energomash, Igor Arbuzov, the head of AO Glavkosmos, Dmitry Roskostov, representatives of the Russian space rocket industry. From the Indian side, the director of the Vikram Sarabhai Space Center - Sridhara Paniker Somanat, the Director of the Liquid Power Plants Vanniyperumal Narayanian Center and the Director of the Space Transportation Program Bureau participated in the meeting and Kanungo Shiamal Kumar.

During the talks, the Russian delegation presented its capabilities in the development of liquid rocket engines and other space products.

The meeting resulted in the signing of a protocol in which both parties stated their further intentions. By the end of April 2019, negotiations will be held on specifying each of the areas of cooperation, and by the end of the first half of the year a roadmap of further joint actions will be approved.

Offline chetan_chpd

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Re: ISRO General News
« Reply #833 on: 01/18/2019 01:52 pm »
General
1. ISRO's own student's program like that of NASA student's program.
2. "ISRO TV in 6 months"

(ISRO chairman press conference highlights
https://www.chetansindiaspaceflight.com/2019/01/news-update-isro-chairman-press.html)

Offline Jajar

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Re: ISRO General News
« Reply #834 on: 01/25/2019 07:15 am »
I guess that the terror camps in PoK will be wary to hear that Indian military is spying on them. LOL !

Offline Jajar

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Re: ISRO General News
« Reply #835 on: 01/25/2019 07:17 am »
What is going the next launch from SDSC-SHAR ? Chandrayaan?

Offline srikanthr124

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Re: ISRO General News
« Reply #836 on: 01/25/2019 10:48 am »
What is going the next launch from SDSC-SHAR ? Chandrayaan?

Go to "Indian launch schedule" tread for launch dates.

Indian launch schedule

There are 3 PSLV launch missions before Chandrayaan-2.
« Last Edit: 01/25/2019 10:54 am by srikanthr124 »

Offline chetan_chpd

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Re: ISRO General News
« Reply #837 on: 02/02/2019 04:44 am »
News update: ISRO gets record sum in Budget'2019

Union Govt. Budget for 2019-20 has allocated record sum of money for ISRO. I think it has crossed 10,000 Crore Rs. line to reach 10,252 Crores (roughly 100 Billion USD) for the first time in history.

To compare, the same thing was 8053 Crores in 2017-2018 budget and 9918 Crores in 2018-2019 budget. Following table shows you some details.

(see attachment)

The Union Minister presenting this budget, Mr. Piyush Goyal said, "The seventh dimension of our vision for the next decade aims at the outer skies. Our space programme Gaganyaan, India becoming the launch-pad of satellites for the world and placing an Indian astronaut into space by 2022, reflect this dimension of our vision."

While thinking about this statement+ above table, i see that the current fleet of INSAT satellites are temporarily being given less focus so that Gaganyaan project and re-usability of launchers can get more money.

(https://www.chetansindiaspaceflight.com/2019/02/news-update-isro-gets-record-sum-in.html)
« Last Edit: 02/02/2019 04:45 am by chetan_chpd »

Offline 1

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Re: ISRO General News
« Reply #838 on: 02/02/2019 08:40 am »
I think that article forgot to do the currency exchange. 10252 crore is 102.52 billion, but almost certainly refers to Indian rupees. At current-ish exchange rates of ~70 INR to 1 USD, that puts the budget at about 1.4 billion USD. Good for them all the same.

Offline srikanthr124

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Re: ISRO General News
« Reply #839 on: 02/02/2019 01:29 pm »
News update: ISRO gets record sum in Budget'2019

Union Govt. Budget for 2019-20 has allocated record sum of money for ISRO. I think it has crossed 10,000 Crore Rs. line to reach 10,252 Crores (roughly 100 Billion USD) for the first time in history.

To compare, the same thing was 8053 Crores in 2017-2018 budget and 9918 Crores in 2018-2019 budget. Following table shows you some details.
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Just over a 3% increase compared to previous financial year....

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