Skip to comments.
‘Lost’ asteroid to pass closely May 15
earthsky.org ^
| May 12, 2018
| Eddie Irizarry
Posted on 05/12/2018 8:06:33 PM PDT by BenLurkin
click here to read article
Navigation: use the links below to view more comments.
first 1-20, 21-22 next last
Orbit of asteroid 2010 WC9 (formerly called ZJ99C60) via Asteroid Orbit View and Northolt Branch Observatories.
1
posted on
05/12/2018 8:06:33 PM PDT
by
BenLurkin
To: BenLurkin
478 miles per second...Is that about average for a space rock?
2
posted on
05/12/2018 8:16:21 PM PDT
by
Deaf Smith
(When a Texan takes his chances, chances will be taken that's fore sure)
To: Deaf Smith
You need to divide by 60 again.
3
posted on
05/12/2018 8:22:27 PM PDT
by
CodeToad
(The Democrats haven't been this pissed off since the Republicans took their slaves away.)
To: Deaf Smith
It’s going about 8 miles per second. That must be relative to earth because the earth is doing about 18.6 miles per second around the sun.
To: Deaf Smith
5
posted on
05/12/2018 8:24:07 PM PDT
by
BenLurkin
(The above is not a statement of fact. It is either satire or opinion. Or both.)
To: CodeToad
Yep, error. I posted instead per minute.
6
posted on
05/12/2018 8:27:48 PM PDT
by
Deaf Smith
(When a Texan takes his chances, chances will be taken that's fore sure)
To: BenLurkin
7
posted on
05/12/2018 8:29:10 PM PDT
by
Deaf Smith
(When a Texan takes his chances, chances will be taken that's fore sure)
To: BenLurkin; SunkenCiv
I did not realize mercury had such an eccentric orbit. So, how far into the future can we predict 6 body gravitational problems?
To: Deaf Smith
It’s more like 8 miles per second. Totally typical given the eccentricity of the orbit.
9
posted on
05/12/2018 8:36:31 PM PDT
by
muffaletaman
(IMNSHO - I MIGHT be wrong, but I doubt it.)
To: BenLurkin
To: CodeToad
The opossum didn't come for the bait in the garage (dog's food) so I picked up and calling it a night.
*The old mutt lives for chasing critters that want his food.
11
posted on
05/12/2018 8:44:06 PM PDT
by
Deaf Smith
(When a Texan takes his chances, chances will be taken that's fore sure)
To: Robert A Cook PE
The general n-body problem has no closed-form solution, and the farther out you go with a numerical approximation, the harder it gets.
I don’t know how far is used in practice.
12
posted on
05/12/2018 8:53:08 PM PDT
by
MUDDOG
To: 75thOVI; Abathar; agrace; aimhigh; Alice in Wonderland; AndrewC; aragorn; aristotleman; ...
Thanks BenLurkin. One of these "lost" objects" could give us the old "honey, I'm home" moment. Kinda exciting, I've got no long range plans.
13
posted on
05/12/2018 8:54:12 PM PDT
by
SunkenCiv
(www.tapatalk.com/groups/godsgravesglyphs/, forum.darwincentral.org, www.gopbriefingroom.com)
To: Freedom_Is_Not_Free
Looking at the schematic of the orbits of the asteroid and Earth it looks like it WILL eventually hit one day unless it hits something else first
14
posted on
05/12/2018 10:09:13 PM PDT
by
Fai Mao
(I still want to see The PIAPS in prison)
To: SunkenCiv
Ever dropped a dime in one of those charity funnels? watched it go round and round??.. What if the asteroid.???.....May 15th is Tuesday.. Are they sure theres going to be a Wednesday?
15
posted on
05/13/2018 1:32:10 AM PDT
by
Ikeon
(WhAaat? you got offended by something you read on the intranet?)
To: BenLurkin
If you're looking for
one more thing to worry about, consider how feasible it is now, and increasingly will become more so, for an advanced nation to send out a robotic spacecraft to rendezvous with one of these Earth-skimming bodies and deliberately steer it to coordinates on Earth.
It's matter of hitting a spinning ball at a particular spot with a projectile, but this kind of problem is what computers are for.
For any given combination of mass, density and relative speed, it's possible to calculate blast and thermal effects with reasonable reliability.
16
posted on
05/13/2018 2:33:04 AM PDT
by
JustaTech
(A mind is a terrible thing)
To: BenLurkin
If at first you don’t succeed, try again.
These rocks are getting closer and closer.
17
posted on
05/13/2018 7:11:22 AM PDT
by
bgill
(CDC site, "We don't know how people are infected with Ebola.")
To: BenLurkin
“...28,655 miles per hour...”
Hell, my ‘73 TR6 went faster than that. (Heh).
To: Ikeon
19
posted on
05/13/2018 7:59:44 AM PDT
by
SunkenCiv
(www.tapatalk.com/groups/godsgravesglyphs/, forum.darwincentral.org, www.gopbriefingroom.com)
To: bgill; BenLurkin; SunkenCiv; All
Any final word on the fly by?
Navigation: use the links below to view more comments.
first 1-20, 21-22 next last
Disclaimer:
Opinions posted on Free Republic are those of the individual
posters and do not necessarily represent the opinion of Free Republic or its
management. All materials posted herein are protected by copyright law and the
exemption for fair use of copyrighted works.
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson