Failure: SSLV D1 - EOS-02 - FLP - 7 August 2022 (03:48 UTC)

[chetan_chpd]

Source: https://timesofindia.indiatimes.com/india/cabinet-oks-setting-up-of-firm-to-boost-commercial-exploitation-of-isros-rd/articleshow/68070011.cms

SSLV:- This mini-PSLV can be assembled in 3-4 days as compared to 40 days for a normal-size rocket. The first test of SSLV, which will be used to launch small satellites weighing less than 500 kg, is due in June-July.

[chetan_chpd]

Source: NDTV <https://idrw.org/isros-new-rocket-likely-to-carry-2-defence-satellites/>

1. ISRO will fly two small defence satellites in July or August this year on its new rocket SSLV. ”We are planning to fly two defence satellites, each weighing about 120 kg in our new rocket SSLV this July or August. The rocket design recently underwent a detailed integrated technical review,” K Sivan, ISRO Chairman, told news agency IANS on Wednesday.
2. He said the total weight of the payload that will be carried by the SSLV on its first flight will be about 500 kg. While the two satellites would weight about 120 kg each, there will be adaptors and others that would weigh about 300 kg. The total weight of the rocket will be 110 tonne.

So the SSLV to carry DRDO sats in its maiden test launch?

[K210]

"We are planning to fly two defence satellites, each weighing about 120 kg in our new rocket SSLV this July or August. The rocket design recently underwent a detailed integrated technical review," K. Sivan, ISRO Chairman, told IANS on Wednesday.

He said the total weight of the payload that will be carried by the SSLV on its maiden flight will be about 500 kg. While the two satellites would weight about 120 kg each, there will be adaptors and others that would weigh about 300 kg.

According to above first launch of new SSLV rocket is set for july/august this year with 2 120kg smallsats onboard. SSLV is supposedly a new vehicle geared towards launching smallsats into orbit. It can put 500 kg into LEO and around 300-400 kg into Polar LEO.

Sources:

https://economictimes.indiatimes.com/news/defence/on-its-maiden-flight-indias-sslv-will-carry-two-defence-satellites/articleshow/68078222.cms

https://old.reddit.com/r/ISRO/comments/asn5zh/first_developmental_launch_of_smalll_satellite/

[zubenelgenubi]

Cross-post:

https://timesofindia.indiatimes.com/india/mini-pslv-testflight-only-after-chandrayaan-2-moonlanding-isro-chief/articleshow/70368911.cms

The SSLV testflight will now happen only after the Chandrayaan 2 lands on Moon as per scheduled date on September 7.”

The two SSLV demonstration launches will launch from the FLP?

[russianhalo117]

Cross-post:

https://timesofindia.indiatimes.com/india/mini-pslv-testflight-only-after-chandrayaan-2-moonlanding-isro-chief/articleshow/70368911.cms

The SSLV testflight will now happen only after the Chandrayaan 2 lands on Moon as per scheduled date on September 7.”

The two SSLV demonstration launches will launch from the FLP?

Yes.

[TheVarun]

  Any reason why all missions are being delayed until after Chandrayaan lands on the moon on Sept 7th?  Is it simply a case that the vehicles and their satellites/payloads are  not going to be ready before then. Because that's not what was being said before the launch of Chandrayaan.

[K210]

This mission seems to be delayed to December now.

He said scientists at the ISRO will be busy in coming months, particularly in December when the space agency would take up a mission to launch small satellites.

"In December, we are going to have a very important mission. It's a small satellite launcher. This is for the first time we are going to have this mission," he said.

Source: https://www.business-standard.com/article/pti-stories/chandrayaan-2-to-reach-moon-s-orbit-on-august-20-isro-119081200612_1.html

[Danderman]

It looks like first launch is now NET 2020.

[zubenelgenubi]

It looks like first launch is now NET 2020.

Cross-post:

During IAC2019 in Washington DC I spoke with S Somanath (Director of VSSC) and R Umamaheswaran (Scientific Secretary)  from ISRO on Thursday 24th October.
...
The 50 min audio interview is available here https://astrotalkuk.org/?p=5703

- First SSLV end 2019 or early 2020 (at 22:50 in the podcast)
<snip>

[chota]

First launch in Jan 2020

Source: https://www.businessinsider.in/science/space/news/isro-has-its-hands-full-with-13-launches-and-the-launch-of-its-new-rocket-before-march/articleshow/72253562.cms

[zubenelgenubi]

This is likely the next Indian orbital launch.  PSLV C48 was announced post-launch as the last of 2019, and PSLV C49 will be in February.

[TheVarun]

This is likely the next Indian orbital launch.  PSLV C48 was announced post-launch as the last of 2019, and PSLV C49 will be in February.

  Would that be the SSLV-D1 or the PSLV C49?   Hope the former, in January!

[A.K.]

Would that be the SSLV-D1 or the PSLV C49?   Hope the former, in January!

I don't see a reason why we can't hope for both in same month.

[Steven Pietrobon]

Would that be the SSLV-D1 or the PSLV C49?   Hope the former, in January!

I don't see a reason why we can't hope for both in same month.

ISRO have already said that RISAT 2BR2 (which is using PSLV C49) is launching in February. See the RISAT 2BR1 webcast.

[K210]

If we assume that the C49 carrying RISAT-2BR2 is going to be assembled at FLP then it is highly unlikely this will be launched before march. SLP as far as i am aware does not have the necessary modifications to launch the SSLV.

[zubenelgenubi]

An observation:
The minimum past performance turn-around, launch to launch, on FLP was 8 weeks = 56 days.  (C43 to C44, 11/29/18 to 1/24/19)

Unless there are new FLP launch campaign improvements that reduce the turn-around time, then this launch could not be this month.   56 days after December 11, 2019 is February 5.

Also, this is the first launch of SSLV, and one would expect the first launch campaign to take longer to execute than a later "operational" launch.

[input~2]

The first developmental flight of the Small Satellite Launch Vehicle (SSLV) is expected in April this year

[zubenelgenubi]

Cross-post:

Amid COVID-19 pandemic, Mission SSLV resumes at ISRO rocket launch station

[TheVarun]

Some encouraging news: ( IANS= Indo Asian News Service), dated October 6
ISRO plans to launch new rocket before Dec 2020

The Indian Space Research Organisation (ISRO) is working towards launching its new rocket ‘Small Satellite Launch Vehicle (SSLV)’ before December 2020, [S. Somanath, Director, Vikram Sarabhai Space Centre (VSSC) part of the Indian Space Research Organisation (ISRO)] said. Necessary tests to check its biggest motor will be done in November.
<snip>
...the SSLV launch will be from the first launch pad at Sriharikota rocket port after the flight of Polar Satellite Launch Vehicle C49 (PSLV C49). Post PSLV C49’s flight, the launch pad set up has to be reconfigured to suit SSLV. Sometime next month PSLV C49 will fly with about 10 satellites. The rocket will be carrying India’s RISAT-2BR2 and other commercial satellites. It will be followed by PSLV C50 with the GSAT-12R satellite in December. The rocket is being assembled at Sriharikota with various systems coming from different centres. It will fly from the second launch pad, Somanath said.
<snip>
According to ISRO, the first satellite to be carried by SSLV will be 142 kg Mircrosat-2A to demonstrate launch on demand capability. The satellite is expected to meet the ever-increasing user demands for cartographic applications at cadastral level, urban and rural management, coastal land use and regulation, utilities mapping, development and various other geographic information system (GIS) applications.

Edits by mods
[zubenelgenubi: Copyrighted content (like this article) cannot be quoted in full.  Neither is it allowed to quote almost all of a copyrighted piece.  Short quotations are allowed.]

[zubenelgenubi]

SFN Launch Schedule, dated October 6
Launch in December 2020.