isro launch today – Artifex.News

PSLV-C62/EOS-N1 Mission encounters anomaly during end of PS3 stage

admin — Mon, 12 Jan 2026 05:00:00 +0000

PSLV-C62 will carry EOS-N1 and 15 co-passenger satellites. Photo: YouTube/ISRO Official

The PSLV-C62/EOS-N1 Mission encountered an anomaly during end of the PS3 stage, following lift-off on Monday (January 12, 2026). A detailed analysis has been initiated, ISRO said

“Today we attempted the PSLV-C62/EOS-N1 Mission. The PSLV is a four stage vehicle with two solid stages and two liquid stages. The performance of the vehicle upto the end of third stage was as expected, close to the end of the third stage we are seeing little more disturbance in the vehicle roll rates and subsequently there is a deviation observed in the flight path we are analysing the data and we shall come back at the earliest,” ISRO Chairman Dr. V Narayanana said.

Also Read I Why ISRO’s next big challenge is to succeed on an industrial scale

After a 22.5-hour countdown, the PSLV-C62 with the EOS-N1 satellite and 15 co-passenger satellites developed by startups and academia from India and abroad lifted off from the Satish Dhawan Space Centre in Sriharikota at 10.18 a.m.

The EOS-N1 earth observation satellite is said to be built for strategic purposes. “It is a commercial mission of NewSpace India Limited (NSIL). EOS-N1 and 14 co-passenger satellites will be injected into a Sun Synchronous Orbit, and the KID Capsule into a re-entry trajectory,” Indian Space Research Organisation (ISRO) said.

It added that after the injection of EOS-N1 and 14 satellites, the PS4 stage will be restarted to de-boost and enter a re-entry trajectory, followed by KID Capsule separation. “Both PS4 stage and KID capsule will re-enter Earth’s Atmosphere and impact will be in the South Pacific Ocean,” the ISRO said.

The 15 other co-passengers are: Theos-2 Earth Observation satellite built jointly by Thailand and UK SSTL (UK), CGUSAT by Dhruva Space (India), DSUSAT by Dhruva Space, MOI-1 by Dhruva Space and Takeme2Space (India), LACHIT by Dhruva Space, Thybolt-3 by Dhruva Space and Don Bosco University (India), Munal by Nepal university Antharkshya Pratishtan (Nepal) and MEA, GoI, KID by Orbital Paradigm (Spain) and RIDE! (France), Edusat by AlltoSpace (Brazil), Uaisat by AlltoSpace, Galaxy Explorer by AlltoSpace, Orbital Temple by AlltoSpace, Aldebaran-1 by AlltoSpace, Sanskarsat by Laxman Gyanpith (India) and AyulSat by OrbitAid (India).

Back to back PSLV failures for ISRO

On May 18 2025, while ISRO attempted to launch the EOS-09 satellite aboard the PSLV-C61 it could not accomplish the mission due to an observation in the third stage of the rocket.

The launch of the PSLV-C62/EOS-N1 mission is the 105th launch from Sriharikota. It was also the 64th flight of PSLV and the fifth mission of the PSLV-DL variant.

Published – January 12, 2026 10:30 am IST

Source link

ISRO Puts PROBA-3 In Orbit. A 10-Point Guide About The European Satellite

admin — Thu, 05 Dec 2024 17:02:54 +0000

Indian space agency ISRO today successfully launched the European Space Agency’s PROBA-3 satellite. The launch was on board ISRO’s workhorse rocket – the Polar Satellite Launch Vehicle or PSLV in its 61st commercial mission ‘C-59’.

Here’s All You Need To Know About The European Satellite PROBA-3:

PROBA, short for Project for Onboard Anatomy, is a space programme under the European Space Agency or ESA. Under PROBA, there have been a series of satellite launches. Today’s was the third in that series, hence the name PROBA-3.
PROBA-3 is a solar mission. It’s aim is to study the Sun’s corona at a level of precision never done before. PROBA-3 consists of two independent, three-axis stabilised spacecraft – the Coronagraph Spacecraft or CSC, which is 310 kg and the Occulter Spacecraft or OSC, which is 240 kg. Both spacecraft will have a highly elliptical orbit around Earth whose apogee or distance farthest from the surface of the planet at the equator will be 60,500 km.

According to the European Space Agency, the mission will demonstrate ‘formation flying’ within the context of a large-scale scientific experiment. The two spacecraft in orbit will create an approximately 150-metre-long solar coronagraph to study the Sun’s faint corona closer to the solar rim than has ever been achieved before.
By flying in such a close formation – 150 metres – the Occulter Spacecraft will cast a precise shadow onto the Coronagraph’s telescope, thereby blocking any direct sunlight. The Coronagraph will then be able to map and image the Sun’s corona in the full electromagnetic spectrum – which includes visible light, Ultraviolet radiation (UV rays) and Infra-Red radiation (IR). It will also be able to image the solar corona in polarised light – which is made up of waves that vibrate in a single plane and include linearly, circularly, and elliptically polarised lights. The CSC will be able to do this for many hours at a time.
The scientific objective of the PROBA-3 mission is to observe the Sun’s corona at 1.1 solar radius in the visible wavelength range (visible light). Solar radius is a unit of distance used to describe the size of stars in comparison to the size of the Sun. 1 solar radius equals 6.95700 x 10(to the power 8) meters or 695,700 km. This is roughly 109 times the radius of the Earth. This would make PROBA-3 the most precise satellite to map and image the Sun’s corona.
PROBA-3 marks the next step in formation flying. As a world first, its two satellites – the Coronagraph spacecraft and the Occulter spacecraft – will maintain formation to a few millimetres and arc second precision at distances of around 150 metres of each other for six hours at a time per 19-hour, 36-minute orbit. In effect the pair will be forming a virtual giant satellite. And this will be achieved autonomously, without relying on guidance from the ground.
Now that the two satellites have been successfully placed in orbit, there will be a short preparatory period for the two satellites in which some safety tests will be conducted by the European Space Agency. Because these two satellites will be independent yet flying in tandem in close proximity, a collision manoeuvre test will be conducted. Once these tests are complete, the two satellites will be placed into into a safe relative tandem orbit. They can then be left safely in with no risk of collision or running away from each other.
The PROBA-3 satellites will repetitively demonstrate acquisition, rendezvous, proximity operations, formation flying, coronagraph observations, separation and convoy flying in every orbit.

According to the Europan Space Agency, the PROBA-3 will be a “Laboratory in space” to validate strategies, guidance, navigation and control, and other algorithms, such as relative GPS navigation, previously tried in ground simulators.
The ESA said that this mission includes a rendezvous experiment. It will test sensors and algorithms for satellites to Rendezvous (cooperative and uncooperative) in elliptical orbit. This cutting-edge technology could be used for a future Mars Sample return mission and for de-orbiting satellites from low-Earth orbit – which will also help declutter the Space around Earth.

Source link

ISRO Puts PROBA-3 In Orbit. A 10-Point Guide About The European Satellite

admin — Thu, 05 Dec 2024 17:02:54 +0000

Here’s All You Need To Know About The European Satellite PROBA-3:

PROBA, short for Project for Onboard Anatomy, is a space programme under the European Space Agency or ESA. Under PROBA, there have been a series of satellite launches. Today’s was the third in that series, hence the name PROBA-3.
PROBA-3 is a solar mission. It’s aim is to study the Sun’s corona at a level of precision never done before. PROBA-3 consists of two independent, three-axis stabilised spacecraft – the Coronagraph Spacecraft or CSC, which is 310 kg and the Occulter Spacecraft or OSC, which is 240 kg. Both spacecraft will have a highly elliptical orbit around Earth whose apogee or distance farthest from the surface of the planet at the equator will be 60,500 km.

According to the European Space Agency, the mission will demonstrate ‘formation flying’ within the context of a large-scale scientific experiment. The two spacecraft in orbit will create an approximately 150-metre-long solar coronagraph to study the Sun’s faint corona closer to the solar rim than has ever been achieved before.
By flying in such a close formation – 150 metres – the Occulter Spacecraft will cast a precise shadow onto the Coronagraph’s telescope, thereby blocking any direct sunlight. The Coronagraph will then be able to map and image the Sun’s corona in the full electromagnetic spectrum – which includes visible light, Ultraviolet radiation (UV rays) and Infra-Red radiation (IR). It will also be able to image the solar corona in polarised light – which is made up of waves that vibrate in a single plane and include linearly, circularly, and elliptically polarised lights. The CSC will be able to do this for many hours at a time.
The scientific objective of the PROBA-3 mission is to observe the Sun’s corona at 1.1 solar radius in the visible wavelength range (visible light). Solar radius is a unit of distance used to describe the size of stars in comparison to the size of the Sun. 1 solar radius equals 6.95700 x 10(to the power 8) meters or 695,700 km. This is roughly 109 times the radius of the Earth. This would make PROBA-3 the most precise satellite to map and image the Sun’s corona.
PROBA-3 marks the next step in formation flying. As a world first, its two satellites – the Coronagraph spacecraft and the Occulter spacecraft – will maintain formation to a few millimetres and arc second precision at distances of around 150 metres of each other for six hours at a time per 19-hour, 36-minute orbit. In effect the pair will be forming a virtual giant satellite. And this will be achieved autonomously, without relying on guidance from the ground.
Now that the two satellites have been successfully placed in orbit, there will be a short preparatory period for the two satellites in which some safety tests will be conducted by the European Space Agency. Because these two satellites will be independent yet flying in tandem in close proximity, a collision manoeuvre test will be conducted. Once these tests are complete, the two satellites will be placed into into a safe relative tandem orbit. They can then be left safely in with no risk of collision or running away from each other.
The PROBA-3 satellites will repetitively demonstrate acquisition, rendezvous, proximity operations, formation flying, coronagraph observations, separation and convoy flying in every orbit.

According to the Europan Space Agency, the PROBA-3 will be a “Laboratory in space” to validate strategies, guidance, navigation and control, and other algorithms, such as relative GPS navigation, previously tried in ground simulators.
The ESA said that this mission includes a rendezvous experiment. It will test sensors and algorithms for satellites to Rendezvous (cooperative and uncooperative) in elliptical orbit. This cutting-edge technology could be used for a future Mars Sample return mission and for de-orbiting satellites from low-Earth orbit – which will also help declutter the Space around Earth.

Source link

ISRO successfully launches earth observation satellite onboard third and final developmental flight SSLV-D3-EOS8 mission

admin — Fri, 16 Aug 2024 03:48:20 +0000

SSLV-D3-EOS-08 mission during its successful launch from the first launch pad at Satish Dhawan Space Centre in Sriharikota on August 16, 2024. Photo: YouTube/ISRO official

The Indian Space Research Organisation on Friday (August 16, 2024) successfully launched an earth observation satellite, onboard the third and final development flight of Small Satellite Launch Vehicle-03 from the the first launch pad at Satish Dhawan Space Centre in Sriharikota

The SSLV-D3-EOS-08 mission follows the second successful launch of the second test flight of the Small Satellite Launch Vehicle (SSLV-D2-EOS-07) in February 2023.

Today’s mission is the third for the Bengaluru-headquartered space agency in 2024, after the successful PSLV-C58/XpoSat in January and GSLV-F14/INSAT-3DS missions in February.

The smallest SSLV rocket, which measures about 34 metre in height, was planned to be launched on August 15 at 9.17 am and was later rescheduled to August 16, at 9.19 am from the first launch pad at Satish Dhawan Space Centre here.

The primary objectives of the SSLV-D3-EOS-08 mission include designing and developing a microsatellite, creating payload instruments compatible with the microsatellite bus, and incorporating new technologies required for future operational satellites, ISRO said.

With today’s (August 16, 2024) mission, ISRO completes the developmental flight of the smallest rocket which can carry satellites weighing up to 500 kg and can place them into Low Earth Orbit (of up to 500 km above Earth).

The mission would also give a boost to NewSpace India Ltd, the commercial arm of ISRO to take up commercial launches using such Small Satellite Launch Vehicles with the industry.

Built on the Microsat/IMS-1 bus, the Earth Observation Satellite carries three payloads: Electro Optical Infrared Payload (EOIR), Global Navigation Satellite System-Reflectometry payload (GNSS-R), and SiC UV Dosimeter.

The spacecraft has a mission life of one year. It has a mass of approximately 175.5 kg and generates power of around 420 W. The satellite interfaces with the SSLV-D3/IBL-358 launch vehicle, ISRO said.

The first payload EOIR is designed to capture images in the Mid-Wave IR (MIR) and Long-Wave IR (LWIR) bands, both during the day and night, for applications such as satellite-based surveillance, disaster monitoring, environmental monitoring, fire detection, volcanic activity observation, and industrial and power plant disaster monitoring.

The second GNSS-R payload demonstrates the capability of using GNSS-R-based remote sensing for applications such as ocean surface wind analysis, soil moisture assessment, cryosphere studies over the Himalayan region, flood detection, and inland waterbody detection.

The third payload — SiC UV Dosimeter monitors UV irradiance at the viewport of the Crew Module in the Gaganyaan Mission and serves as a high-dose alarm sensor for gamma radiation.

(With PTI input)

Source link