New Horizons - Mission to Pluto and the Kuiper Belt

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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#21  Postby CdesignProponentsist » Aug 29, 2018 10:56 pm

newolder wrote:
Ultima in View: NASA’s New Horizons Makes First Detection of Kuiper Belt Flyby Target

NASA's New Horizons spacecraft has made its first detection of its next flyby target, the Kuiper Belt object nicknamed Ultima Thule, more than four months ahead of its New Year's 2019 close encounter.

...

Image
More @ NASA link

Only 107 million miles to go...


Well that snuck up on me. I was expecting this to take longer for some reason. Looking forward to that dot growing bigger.
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#22  Postby felltoearth » Aug 30, 2018 1:40 am

How fast is New Horizons travelling compared to, say, Voyager?

(I would look it up but it’s late here.)
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#23  Postby newolder » Aug 30, 2018 6:54 am

New Horizons is currently moving at a staggering 57,936 km/h (36,000 mph).7 Sep 2015

Voyager Mission Status, by NASA says that Voyager 1 is leaving the solar system at a speed of 17.46 km/s.

Voyager 1 speed converts to more than 62,000 km/h.

Roughly equal numbers but with respect to what, I didn't find out on this cursory glance (first page search results)...

Though there is this from space.stackexchange:
Though New Horizons will also reach 100 AU, it will never pass Voyager 1, because Voyager was boosted by multiple gravity assists that make its speed faster than New Horizons will travel. Voyager 1 is escaping the solar system at 17 kilometers per second. When New Horizons reaches that same distance 32 years from now, propelled by a single planetary swingby, it will be moving about 13 kilometers per second.

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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#24  Postby newolder » Dec 06, 2018 4:05 pm

The next event for this probe is a fly-by of Kuiper belt object MU69, or Ultima Thule, on 2019, January 1. A countdown clock and related info site is @ SeeUltimaThuleNow.com
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#25  Postby newolder » Dec 21, 2018 5:46 pm

When/if the US Government/NASA shutdown begins, will Alan Stern put the probe on hold? Seriously, will the New Year's Day flyby coverage get cancelled?
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#26  Postby newolder » Dec 21, 2018 10:25 pm

Meanwhile - something odd already apparent with MU69...
There's something weird going on with Ultima Thule, the distant object that NASA's New Horizons spacecraft will fly by just 10 days from now.

New Horizons team members don't think the 23-mile-wide (37 kilometers) Ultima is spherical; rather, the available data suggest that it's elongated or is perhaps even composed of two close-orbiting bodies. So, mission scientists were expecting to see a substantial "light curve" from Ultima: significant changes in brightness corresponding to different orientations of the object as it rotates.

But that's not what New Horizons observations in the lead-up to the epic New Year's Day encounter have shown. Instead, Ultima's brightness is relatively constant, like that of a spherical body...

More @ space.com link
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#27  Postby newolder » Dec 27, 2018 3:17 pm

newolder wrote:When/if the US Government/NASA shutdown begins, will Alan Stern put the probe on hold? Seriously, will the New Year's Day flyby coverage get cancelled?

Brian May Tweet:
URGENT ! Due to Govt shut-down. NASA TV and social media suspended 4 New Horizons Flyby Jan 1st. Follow @alanstern or @newhorizons2015.
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#28  Postby i have no avatar » Dec 27, 2018 4:31 pm

This blog on the Planetary Society website says (5th paragraph):

Operations of the ISS will largely continue unaffected, as will the New Horizons flyby of 2014 MU69 ("Ultima Thule")—though NASA's public relations team will be absent. John Hopkins' Applied Physics Laboratory, which manages New Horizons for NASA, will still cover and publicize the flyby.
.

Good news that the mission will be mostly unaffected and the post seems to confirm the Brian May tweet below (no NASA coverage). Hopefully, the JHAPL's coverage will be similar. The link to the coverage is given in the link in the quote (in the December 27th update at the top). Here is the direct link as given.

And, as stated in a previous post, the light curve is really strange. If it is a halo of objects around 2014 MU69, I hope they are flying by well out of range. In an S&T blog by Stern, the all clear has been given at the flyby distance of 3500 km, I hope that they are right, as it wouldn't take much at 32000 km/s.
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#29  Postby newolder » Dec 27, 2018 4:40 pm

^I hope the probe is not travelling that fast! It would whip past the 37km wide object in about a millisecond!

Phew! The image insert here: http://pluto.jhuapl.edu/Mission/Where-i ... t-Position

has the velocity wrt MU69 at 14.43 km/s - that's a good 2 and a half seconds to get pictures & stuff. :party:
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#30  Postby i have no avatar » Dec 27, 2018 9:16 pm

newolder wrote:^I hope the probe is not travelling that fast! It would whip past the 37km wide object in about a millisecond!


D'oh! Thanks. 32,000 mph per Stern, which agrees closely with your figure of 14.43 km/s.

Because of the sheer stupidity of my writing that the probe would be going over 1/10 the speed of light without catching it :oops: , I wish the parameters would be reported consistently using SI units (kind of like the date formats in the APOD thread). May be asking too much for blog entries though. :grin:
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#31  Postby newolder » Dec 28, 2018 6:16 pm

^ No worries.:lol:

Bridenstine says events WILL be broadcast on NASA TV. Yay!
New Horizons #UltimaThule Flyby Events (All Times Eastern). New Horizons live events will air on NASA Television.

NASA Live link
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#32  Postby SafeAsMilk » Dec 28, 2018 6:41 pm

Psyched to see this!
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#33  Postby The_Piper » Dec 28, 2018 6:58 pm

Me too.
Nasa tv right now is showing a Christian sermon. That was unexpected.
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#34  Postby newolder » Dec 28, 2018 11:01 pm

Update on the youtube:
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#35  Postby The_Piper » Dec 31, 2018 9:01 pm

Happy Ultima eve! :popcorn:
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#36  Postby newolder » Dec 31, 2018 9:06 pm

Another mission update this evening (UK time). Still ongoing: https://www.youtube.com/watch?v=FVavgqSo5wg

I'm too far down this bottle of Jim Beam to take much of it in... :oops:
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#37  Postby The_Piper » Dec 31, 2018 11:11 pm

:lol:
No alcohol for me tonight, but I might still doze off before midnight. I guess we won't know much until tomorrow morning anyways, afternoon for you
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#38  Postby Animavore » Jan 01, 2019 10:40 am

A most evolved electron.
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#39  Postby The_Piper » Jan 01, 2019 2:06 pm

I'm not a fan of the song. :lol: :lol:
I was awake for the rendezvous, though of course all we could do at that time was think of how cool it is that a spaceship sent from Earth in 2006 is making a flyby of an object 4 billion miles away in 2019. That's excitement enough, and now the data starts streaming in. :eager:
I think it's going to take over a year to download it all.
edit - spellering
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Re: New Horizons - Mission to Pluto and the Kuiper Belt

#40  Postby newolder » Jan 01, 2019 3:19 pm

Signal acquisition coverage starting soon: https://www.nasa.gov/nasalive

ETA All is well. Spacecraft reports good health and it has an expected compliment of data to shovel back to Earth. Press conference at 1630GMT. :dance:

ETA Happy bowling pin! Can't find an image just yet, won't be long though...
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