<p>Once a meteoroid starts burning up in the atmosphere, it becomes a visible meteor. Have any meteoroids been detected before they started to burn in the atmosphere? If yes, what is the ballpark estimate for the number of meteoroids detected before they reach Earth's atmosphere?</p>

CC BY-SA 4.0
2020-09-18T14:27:17.283Z
I'm also curious about "precovery" detections. How many of each have there been?
usernumber
CC BY-SA 4.0
2020-09-18T17:20:14.567Z
In 2008 a meteoroid was discovered that was successfully predicted to enter the atmosphere. https://en.wikipedia.org/wiki/2008_TC3
Giovanni
CC BY-SA 4.0
2020-09-18T19:13:42.923Z
@Giovanni Please work that into an answer. Don't answer questions in comments.
James K
CC BY-SA 4.0
2020-09-19T06:12:49.017Z
@JamesK My comment is an example. It doesn't answer all the OPs questions
Giovanni
CC BY-SA 4.0
2020-11-23T12:59:49.250Z
[Here is the list](https://en.wikipedia.org/wiki/Asteroid_impact_prediction#List_of_successfully_predicted_asteroid_impacts).
Nilay Ghosh
<meteor><near-earth-object><meteoroid>
Have any meteoroids been detected before they reached the Earth's atmosphere?
usernumber
# Have any meteoroids been detected before they reached the Earth's atmosphere?

(Asked by: username_0 on 2020-09-18)

Once a meteoroid starts burning up in the atmosphere, it becomes a visible meteor. Have any meteoroids been detected before they started to burn in the atmosphere? If yes, what is the ballpark estimate for the number of meteoroids detected before they reach Earth's atmosphere?

**Tags:** meteor, near-earth-object, meteoroid

> **Comments:**
> **username_0**: I'm also curious about "precovery" detections. How many of each have there been?  
> **username_1**: In 2008 a meteoroid was discovered that was successfully predicted to enter the atmosphere. https://en.wikipedia.org/wiki/2008_TC3  
> **username_2**: @username_1 Please work that into an answer. Don't answer questions in comments.  
> **username_1**: @JamesK My comment is an example. It doesn't answer all the OPs questions  
> **username_3**: [Here is the list](https://en.wikipedia.org/wiki/Asteroid_impact_prediction#List_of_successfully_predicted_asteroid_impacts).  

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## 0 answers

