International Asteroid Day 2024 – June 30

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International Asteroid Day 2024 – June 30United Nations (United Nations)'S International Asteroid Day (IAD) is a global awareness campaign celebrated every year across the world 30 JuneTo raise public awareness of asteroid impact hazards and to inform the public about worldwide distress communications operations for credible near-Earth object (NEO) threats.


I.On 6 December 2016United Nations General Assembly (United Nations General Assembly) adopted resolution A/RES/71/90, which declared 30 June International Asteroid Day was observed.

  • proposal for IAD was created by the Space Explorers Association (ASE), and supported by the Committee on the Peaceful Uses of Outer Space (COPUOS,

Second. first time IAD observed 30 June 2017,

Why only 30th June?

30 June was chosen as the date Celebrate Tunguska impact eventwhich happened in siberiathe Russian Federation, in 1908. it is considered Largest asteroid impact on Earth recorded,

  • The estimated size of the asteroid that exploded in the Tunguska region is 70 meters and the asteroid explosion leveled 830 square miles of forest.


I.The UN-sanctioned Asteroid Day was established in 2014 by the following people:

  • Dr. Brian May, An English astrophysicist, a world-renowned guitarist, and a founding member of the rock group Queen;
  • Russell L. (Rusty) Schweickart of the United States, lunar module pilot on the Apollo 9 mission (the first to test a Moon-landing vehicle in space);
  • Firefly Richtera German film producer; and
  • Danica Remy President of the United States, and chief executive of the B612 Foundation.

Near Earth Objects:

I. Neo One Asteroids Or Comet These NEOs passing near Earth's orbit represent a potentially catastrophic threat to our planet.

Second.Asteroidssometimes called Minor planetsThese are the rocky, airless remnants of what was left of our solar system’s initial formation, about 4.6 billion years ago.

Comment: Of the more than 730,000 known asteroids, approximately 16,000 are NEOs, and there are currently 1,784 potentially hazardous asteroids.

Global response:

I.United Nations Office for Outer Space Affairs (UNO)UNOOSA) NEO views impact hazards as a global issue.

Second.Dealing with NEO threats involves two main aspects:

  • identifying objects that pose a hazard; and
  • Planning mitigation campaigns.

Second.Collaborative action from the international community is needed to ensure public safety.

iii.Based on the recommendations for an international response to the NEO impact threat approved by COPUOS in 2013, 2 major groups were formed in 2014:

  • International Asteroid Warning Network (IAWN) assists in analyzing impact consequences and planning mitigation responses.
  • Space Mission Planning Advisory Group (SMPAG), an inter-space agency forum that identifies technologies for NEO deflection and builds consensus on planetary defense measures.

Chelyabinsk incident:

I.On 15th February 2013A Superbolide (a large fireball) travelling at a velocity of 1200 m/s 18.6 kilometer (Km) entered the atmosphere at a speed of per second and disintegrated in the sky. Chelyabinsk,

Second.NASA estimates the asteroid to be 18 metres in diameter and have a mass of 11,000 tonnes.

iii.The total impact energy was approximately 440 kilotons (kt) of trinitrotoluene (TNT) of explosive.

Fourth.The Chelyabinsk event was an exceptionally large fireball, the most energetic impact event since the 1908 Tunguska explosion.

About United Nations Office for Outer Space Affairs(UNOOSA):
UNOOSA, established in 1958, promotes international cooperation in the peaceful uses and exploration of space and the use of space science and technology for sustainable economic and social development.
Director– Aarti Holla-Maine
the headquarters– Vienna, Austria

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