International Asteroid Day | Kidadl


International Asteroid Day

Arts & Crafts
Learn more
Reading & Writing
Learn more
Math & Logic
Learn more
Sports & Active
Learn more
Music & Dance
Learn more
Social & Community
Learn more
Mindful & Reflective
Learn more
Outdoor & Nature
Learn more
Read these Tokyo facts to learn all about the Japanese capital.

Where is International Asteroid Day celebrated?  

International Asteroid Day is celebrated worldwide.

Who is International Asteroid Day celebrated by?

International Asteroid Day is celebrated by everyone, from scientists to children. It's a day to be excited about as these rocks are quite mysterious.

When did International Asteroid Day first start?

Although this day is celebrated in June, it was announced as International Asteroid Day in December 2016 by the United Nations General Assembly. It was started with the intention to raise public awareness and save our planet from any imminent danger that asteroids and other near-earth objects pose. 

Who started International Asteroid Day?

International Asteroid Day was founded by a team of extraordinary people. Those who founded the day are filmmaker Grig Richters, Danica Remy the president of B612 Foundation, Apollo 9 astronaut Rusty Schweikart, astrophysicist and Queen rock band's lead guitarist Dr. Brian May. 

It's believed that dinosaurs went extinct due to a large asteroid that hit about 65 million years ago!

History And Timeline

Nowadays, space agencies are able to warn us prior to any dangers to Earth, and people can be evacuated if required. Asteroids have posed a threat for a long time. Here are some important milestones that led to the need for a World Asteroid Day.


Namibia's Fallen Star

The Hoba meteorite was discovered in the desert, which weighed 60 tons (54.43 met tons), and scientists estimate it to be about 190-410 million years old. It was never moved from where it was dug up, and you can pay it a visit anytime.

February 15, 2013

Chelyabinsk Fireball

This meteorite is believed to be the biggest one to hit Earth since 1908 and was traveling so fast that it had the energy of approximately 440 kilotons (399161.2 met ton) of TNT explosives.


New Organizations

International Asteroid Warning Network (IAWN) and the Space Mission Planning Advisory Group (SMPAG) came about to help solve communicating issues about asteroids approaching Earth.

December 2016

Founding Of Day

Announced by the United Nations, International Asteroid Day is on a mission to educate the public about the asteroid impact hazard and bring together a team of scientists to help deter any such dangers that could potentially decimate our planet.


Older Than Earth

A small meteorite crashed in Algeria. It was named Ery Chech 002, and upon examination, it was revealed to be over 4.6 billion years old!

Traditions And Customs

Many countries host Asteroid Day events which you can take part in to learn more about asteroids. You also learn the risks of impact asteroids have on Earth.

You can learn about what asteroids are made of too. Sometimes the materials they are made of, like nickel, make determining their age very difficult, like the Hoba meteorite.

Ways To Observe Or Celebrate International Asteroid Day

 Visit museums near you to see if there are any of these rocks from outer space.

Read a book on asteroids and meteors, and get started on educating yourself about these amazing rocks that fall out of the sky.

If you cannot get any of these, then grab a blanket and head out to go stargazing. Perhaps you will see a shooting star!

Facts And Stats

  • International Asteroid Day is celebrated on June 30, which is the anniversary of the Tunguska impact in Siberia. A huge asteroid struck, which destroyed the entire forest in the area. It had the largest impact recorded in recent times.
  • In 2016 over 65,000 people participated in 163 events across 48 countries.
  • Each year, this day is celebrated with a theme related to the recent research on outer space.

FAQs About International Asteroid Day

Why is International Asteroid Day celebrated?

It is celebrated to make the public aware of the potential danger an impact of an asteroid could have.

What is the theme of International Asteroid Day 2021?

The theme in 2021 was to celebrate the 25th anniversary of the NEAR- Shoemaker spacecraft and the launching of three new asteroid missions.

Hashtags To Use On Social Media


When Is This Day Celebrated

Date Day
June 29, 2020 Monday
June 29, 2021 Tuesday
June 29, 2022 Wednesday
June 29, 2023 Thursday
June 29, 2024 Saturday

Read The Disclaimer

Was this article helpful?