NASA Asteroid Watch @AsteroidWatch Twitter profile

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NASA Asteroid Watch

@AsteroidWatch

12 days

Congratulations to @ESA for the successful launch of its Hera mission today! Hera will study the asteroid system impacted by our DART mission in 2022 to better understand asteroid deflection as a method for defending our planet.

European Space Agency

@esa

12 days

Liftoff! ESA’s Hera mission lifted off on a SpaceX Falcon 9 from Cape Canaveral Space Force Station in Florida, USA, on 7 October at 10:52 local time (16:52 CEST, 14:52 UTC).

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European Space Agency

@esa

12 days

🔴 Live now: coverage has started for the launch of ESA's #HeraMission 👇

European Space Agency - @esa

#HeraMission launch

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NASA Asteroid Watch Retweeted

NASA JPL

@NASAJPL

17 days

Earth has a temporary, tiny companion. While not quite a "mini moon," since it will never be captured by Earth's gravity, Asteroid 2024 PT5 does have a similar orbit as our planet and will linger in our vicinity for a few months.

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NASA Asteroid Watch

@AsteroidWatch

18 days

Thanks to #PlanetaryDefense efforts at NASA and across the globe, we've discovered over 11,000 near-Earth #asteroids larger than 140 meters in size. It's estimated there are ~14,000 left to find. 🔭 Learn more about Planetary Defense @NASA :

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NASA Asteroid Watch

@AsteroidWatch

19 days

The due date for this NASA RFI has been extended to October 28. See updated RFI:

NASA Asteroid Watch

@AsteroidWatch

2 months

NASA has released a Request for Information to the space community to determine interest in developing a non-NASA-led mission to Apophis utilizing the agency’s Janus spacecraft. Responses are due Oct. 1. Learn more:

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NASA Asteroid Watch

@AsteroidWatch

1 month

NASA's Deep Space Network Goldstone Solar System Radar imaged #asteroid 2024 ON - first observed by the NASA-funded ATLAS survey in Hawaii - as it safely flew past Earth on Tuesday. Learn more:

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NASA Asteroid Watch Retweeted

NASA JPL

@NASAJPL

1 month

It’s a bird, it’s a plane, it’s a… peanut? 🥜 This nutty asteroid is about as long as the Eiffel Tower is tall. It was imaged by our Goldstone radar as it safely passed Earth at a distance of 2.8M miles (4.6M km). (P.S. it's #NationalPeanutDay !)

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NASA Asteroid Watch Retweeted

NASA

@NASA

1 month

NASA and @ESA ’s near-Earth object study teams predict that a very small (~1 meter) #asteroid will harmlessly impact Earth’s atmosphere in a few hours at ~12:40pm EDT (~16:40 UTC) and create a fireball off the east coast of the northern Philippines.

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NASA Asteroid Watch Retweeted

Catalina Sky Survey

@catalina_sky

2 months

BIG NEWS! CSS observer Jacqueline Fazekas has just discovered a small meteoroid that will harmlessly impact with Earth's atmosphere in about 8 hours over the Western Pacific. The object (called CAQTDL2) is small, a few feet in diameter. Attached are the discovery images.

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NASA Asteroid Watch

@AsteroidWatch

2 months

NASA has released a Request for Information to the space community to determine interest in developing a non-NASA-led mission to Apophis utilizing the agency’s Janus spacecraft. Responses are due Oct. 1. Learn more:

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NASA Asteroid Watch

@AsteroidWatch

2 months

The 5th #PlanetaryDefense Interagency Tabletop Exercise After Action Report, which details the exercise and identifies several key areas for planetary defense advancement, is now publicly available. Learn more:

NASA Asteroid Watch

@AsteroidWatch

4 months

Last week, NASA released a summary of the 5th #PlanetaryDefense Interagency Tabletop Exercise, designed to inform and assess our ability as a nation to respond effectively to the threat of a potentially hazardous asteroid or comet. Learn more:

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NASA Asteroid Watch

@AsteroidWatch

2 months

Science Meets Storytelling: NASA’s Global Hunt for Asteroids How do scientists and filmmakers collaborate to bring life to the stories of astronomers who are hunting for and tracking down asteroids? Vote for NASA’s #PlanetaryDefense panel at @SXSW 2025:

Science Meets Storytelling: NASA’s Global Hunt for Asteroids

Join NASA’s acting planetary defense officer alongside the filmmakers of NASA’s new Planetary Defenders documentary as they delve into the captivating and colliding worlds of asteroid hunting and...

panelpicker.sxsw.com

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NASA Asteroid Watch Retweeted

NASA JPL

@NASAJPL

2 months

It's official: Today, after tracking near-Earth objects for over a decade, NEOWISE engineers commanded the spacecraft to turn off its transmitter for the last time. More on the mission's legacy:

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NASA Asteroid Watch

@AsteroidWatch

2 months

Thanks to #PlanetaryDefense efforts at NASA and across the globe, we have discovered nearly 11,000 near-Earth #asteroids larger than 140 meters, with an estimated 14,000 left to find. 🔭 Learn more about Planetary Defense @NASA :

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NASA Asteroid Watch Retweeted

NASA JPL

@NASAJPL

3 months

Our asteroid and comet-hunting space telescope, NEOWISE, has ended its mission after exceeding expectations for more than 14 years. Here's a few things you may not know about it! 🧵

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