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Endeavour-System
2008-Jun-15, 07:08 PM
Hello all ...

I am a passionate astronomy ...
There is some time I heard
this famous asteroid, 2006 HZ51 ...
Are there a risk that we struck?
Is it really removed from the list of dangerous objects for us?

Ps ... I use a translator, because I am french ...
Good on all this!

E-S

01101001
2008-Jun-15, 07:34 PM
Bienvenue, Endeavour-System.


2006 HZ51

Wikipedia: 2006 HZ51 (http://en.wikipedia.org/wiki/2006_HZ51)


2006 HZ51 is an 800 m diameter asteroid discovered on 27 April 2006 by the Catalina Sky Survey that was thought to have a chance of hitting Earth on 21 June 2008. Further refinement of its orbit eliminated this risk. It was at first thought to have a period of 7 years and a perihelion at 1.1 AU in July of 2006.

See old BAUT Forum topic 2006 Hz51 (http://www.bautforum.com/astronomy/41112-2006-hz51.html), from 2 years ago.

It doesn't even appear to make the PHA Close Approaches To The Earth (http://cfa-www.harvard.edu/iau/lists/PHACloseApp.html) list.

===

If you want to watch some fear monger try to scare people with an asteroid's close approach of -- and eventual harmless pass by -- Earth, view BAUT Forum topic Asteroid TU24 close? (http://www.bautforum.com/questions-answers/68964-asteroid-tu24-close.html), from 6 months ago.

Endeavour-System
2008-Jun-15, 08:13 PM
Thank you ... If this is true, it reassures me. lol

01101001
2008-Jun-15, 08:25 PM
In the NeoDys object list (http://newton.dm.unipi.it/cgi-bin/neodys/neoibo?objects:2006HZ51;main), the closest approaches of 20006HZ51 don't even mention 2008, now:


EARTH 1993/07/13.67215
EARTH 2027/06/30.42115
EARTH 2061/07/14.14424
EARTH 2082/05/29.50825

The JPL NEO Project Orbit Diagram (http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2006%20HZ51;orb=1) (Java applet) has it way out beyond Mars' orbit this month.

Endeavour-System
2008-Jun-15, 10:08 PM
I wish you a good evening ...
But thank you for this information to me very valuable ...
A soon on the forum!