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The 12-hour countdown for the release of Indian Space Research Organisation’s (ISRO) earth imaging satellite tv for pc Polar Satellite Launch Vehicle (PSLV) rocket commenced on Saturday, in Sriharikota, tweeted ISRO.
The lift-off for the PSLV-C61, sporting Earth Observation Satellite (EOS-09) satellite tv for pc for earth imaging, scheduled to happen at 5.59 a.m. from the First Launch Pad (FLP) on the Satish Dhawan Space Centre on May 18, can even mark the 101st project for the company.
Taking to the X ISRO tweeted, “T-12 hours to ISRO’s 101st space launch PSLV-C61 is mission-ready…”
T-12 hours to ISRO’s 101st area release
PSLV-C61 is mission-ready
18 May 2025 | 5:59 AM IST |
FLP, SDSC SHAR
Live from 5:29 AMhttps://t.co/JTNzdc0QGP
More data: https://t.co/cIrVUJxcTZ#ISRO #Countdown #PSLVC61 pic.twitter.com/dnd5n0pFF6
— ISRO (@isro) May 17, 2025
PSLV-C61 marks the 63rd flight of the Polar Satellite Launch Vehicle and the 27th the use of the PSLV-XL configuration. This project continues the PSLV’s file of handing over dependable efficiency throughout a variety of payloads and orbits, stated ISRO.
The company additional said that once EOS-09 is deployed, Orbit Change Thrusters (OCT) will probably be used to scale back the altitude of the PS4 degree, adopted via passivation to restrict its orbital existence — a step aligned with accountable area operations.
Weighing round 1,696.24 kg, the EOS-09 satellite tv for pc has a project lifetime of 5 years and comprises deorbiting gas for protected post-mission disposal. The project will position the Earth Observation Satellite right into a Sun Synchronous Polar Orbit (SSPO).
The EOS-09 (RISAT-1B) is a follow-on to the RISAT-1 satellite tv for pc which is provided with equivalent configuration. It enhances and dietary supplements information from the Resourcesat, Cartosat and RISAT-2B Series satellites.
The EOS-09 satellite tv for pc is a state-of-the-art Earth commentary satellite tv for pc designed to strengthen India’s space-based surveillance functions. Fitted with complex C-band artificial aperture radar era, it might probably seize high-resolution pictures of the Earth’s floor irrespective of climate stipulations or time of day. This capacity allows efficient tracking and control throughout quite a lot of sectors.
Earlier, Union Minister Jitendra Singh hailed this project and tweeted “We’re now one step closer to liftoff on 18 May…”
Watch this fantastic timelapse of PSLV-C61 / EOS-09 because it rolls from the Payload Integration Facility (PIF) to the Mobile Service Tower (MST) at SDSC-SHAR, Sriharikota — a a very powerful step in #ISRO’s 101st release project.
Each body captures the precision, teamwork & engineering… pic.twitter.com/KjAm7ncVee
— Dr Jitendra Singh (@DrJitendraSingh) May 16, 2025
Meanwhile, ISRO Chairman V. Narayanan stressed out the essential position of satellite tv for pc era in nationwide safety and governance, mentioning, “With the PSLV-C61/EOS-09 mission, ISRO continues to demonstrate its commitment to both technological excellence and the national interest.”
