Sign In
Learn bits
Science & Tech.
Mahesh

05/11/22 02:05 AM IST

ISRO’s RISAT-2 makes uncontrolled reentry into earth’s atmosphere at predicted impact point

In News 
  •  RISAT-2, launched by Indian Space Research Organisation in 2009, made an uncontrolled re-entry into the Earth’s atmosphere at the predicted impact point.
RISAT-2 
  • RISAT-2 was launched on 20 April 2009 by PSLV-C12 launch vehicle. It weighted only about 300 kg.
  • RISAT-2 is India’s first "eye in the sky" which keep surveillance on the country’s borders as part of anti-infiltration and anti-terrorist operations.
  • The principal sensor of Risat-2, considered a ‘spy’ satellite, was an X-band synthetic-aperture radar from Israel Aerospace Industries.
  • Risat-2 was built more quickly following the 2008 Mumbai terror attacks due to delay with the indigenously developed C-band for Risat-1 satellite.
  • The satellite, which was India's first dedicated reconnaissance satellite, possessed day-night as well as all-weather monitoring capability.
  • It was also used to track hostile ships at sea that were deemed a military threat.
Significance 
  • Risat-2 provided beneficial payload data for over 13 years.
  • Since its injection, Risat-2’s radar payload services were provided for various space applications.
  • Risat-2 is a clear example of ISRO’s capability to carry out spacecraft orbital operations in an efficient and optimal way.
  • As Risat-2 re-entered within 13.5 years, it complied with all necessary international mitigation guidelines for space debris, showing the space agency’s commitment towards the long-term sustainability of outer space.
Source- Live Mint 

More Related Current Affairs View All

15 Nov

Government issues guidelines to curb misleading ads by coaching centres

'The central Government issued new guidelines aimed at curbing misleading advertisements by coaching institutes, specifically prohibiting false promises such as "100 per cent selec

Read More

15 Nov

Janjatiya Gaurav Divas

'Every year on November 15th, Janjatiya Gaurav Divas is celebrated to honor the contributions of these communities, especially in India’s freedom struggle.' 5th November

Read More

15 Nov

Supreme Court’s order on mandatory accessibility standards

'A bench of the Supreme Court last week ordered the Union government to frame mandatory rules for ensuring the accessibility of public places and services to persons with disabilit

Read More

India’s First Ai-Driven Magazine Generator

Generate Your Custom Current Affairs Magazine using our AI in just 3 steps