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Author Topic: Fireballs, comets, meteorites, meteors and asteroids  (Read 78325 times)

Yowbarb

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Re: Fireballs, comets, meteorites, meteors and asteroids
« Reply #540 on: February 09, 2018, 02:56:02 PM »
OK, didn't see THIS listed a couple days ago:

2018 C8 0.2 LD, Feb 09, 2018
  see bottom entry on my screen shot

http://www.spaceweather.com/
...
https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2018%20CB&orb=1   (2018 CB) Orbit diagram

R.R. Book

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Re: Fireballs, comets, meteorites, meteors and asteroids
« Reply #541 on: February 09, 2018, 05:10:47 PM »
Looks as if it's time to put the hardhats on!  :-X

Yowbarb

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Re: Fireballs, comets, meteorites, meteors and asteroids
« Reply #542 on: February 09, 2018, 08:15:28 PM »
Looks as if it's time to put the hardhats on!  :-X

R.R. It did pass by, just found out...That is considered close. I don't know yet if there were any fragments or fireballs that came off of it....[/color]
(2018 CB)   2018-Feb-09  22:29 ± < 00:01   0.18 | 0.00047   0.18 | 0.00047

https://cneos.jpl.nasa.gov/ca/  Recent past

Yowbarb

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Re: Fireballs, comets, meteorites, meteors and asteroids
« Reply #543 on: February 09, 2018, 08:22:08 PM »
Re (2018 CB)  https://cneos.jpl.nasa.gov/ca/

2018-Feb-09  22:29 ± < 00:01   0.18 | 0.00047   0.18 | 0.00047

https://www.translatorscafe.com/unit-converter/en/length/101-28/   0.18 LD =  42,949 miles

Yowbarb

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Re: Fireballs, comets, meteorites, meteors and asteroids
« Reply #544 on: February 09, 2018, 08:26:51 PM »
Yowbarb Note: I figured it passed by at 0.18 LD =  42,949 miles but the article says 39,000 miles

https://www.cnet.com/news/asteroid-2018-cb-passing-earth-friday-says-nasa/

A house-size asteroid just made a rare close pass by Earth
Space rocks buzz by us all the time, but we don't get many of this size invading our orbital space more than a few times a year.

By
Eric Mack
February 9, 2018 11:10 AM

Just days after the "Super Bowl asteroid" passed Earth on Sunday, another space rock buzzed by much, much closer on Friday at around 10:30 am. PT.

Asteroid 2018 CB safely whizzed by our planet at a distance of about 39,000 miles (64,000 kilometers). NASA estimates the asteroid to be between 50 and 130 feet (15 and 40 meters) across.

The larger Asteroid 2002 AJ129 generated a lot of hype before it passed at a safe distance of about 2.6 million miles (4.2 million kilometers), right around the same time the big game kicked off on Sunday. Part of the reason it got so much attention is that astronomers saw it coming.

The smaller, closer asteroid, 2018 CB, was just spotted for the first time a few days before whizzing by.

 

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