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bookworm14
sage


Reged: 03/22/08

Loc: Georgia
Detailed finder chart for YU55 near Altair? new
      #4900682 - 11/06/11 12:58 PM

Asteroid YU55 will pass just south of Altair (Alpha Aquilae) about 10:30pm EST on 08 Nov. I have not located anything more precise than this except low res charts and columns of coordinates, which are useless to me. Is there a detailed finder chart for the Altair region that shows how close the object will pass to Altair and Beta Aquilae, and the times?

bookworm


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mrfritz44
sage


Reged: 11/11/09

Loc: Eastern Pennsylvania, USA
Re: Detailed finder chart for YU55 near Altair? new [Re: bookworm14]
      #4901086 - 11/06/11 04:24 PM

Try downloading Stellarium and punching in the coordinates for the given night. You should be able to plot exactly where it is relative to the stars.

Fred


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mrfritz44
sage


Reged: 11/11/09

Loc: Eastern Pennsylvania, USA
Re: Detailed finder chart for YU55 near Altair? new [Re: mrfritz44]
      #4901215 - 11/06/11 05:24 PM

You can paste in this bit of text in the
C:\Users\YOUR USER NAME HERE\AppData\Roaming\Stellarium\data directory assuming you have Windows 7.

[2005 YU55 Asteroid]
name = 2005 YU55
minor_planet_number = 136200
parent = Sun
radius = 0.2
oblateness = 0.0
albedo = 0.007
lighting = true
halo = false
color = 1.0,1.0,1.0
tex_halo = NULL
tex_map = nomap.png
coord_func = comet_orbit
orbit_TimeAtPericenter = 2455814.833933352027
orbit_PericenterDistance = .6557046626343621
orbit_Eccentricity = .4325854390036394
orbit_ArgOfPericenter = 271.7036689643693
orbit_AscendingNode = 37.37226220529077
orbit_Inclination = .3954236980854217


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bookworm14
sage


Reged: 03/22/08

Loc: Georgia
Re: Detailed finder chart for YU55 near Altair? new [Re: mrfritz44]
      #4901400 - 11/06/11 07:02 PM

Thanks, but I have Windows XP.

bookworm


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Centaur
Vendor
*****

Reged: 07/12/04

Loc: Chicago
Re: Detailed finder chart for YU55 near Altair? new [Re: bookworm14]
      #4901458 - 11/06/11 07:29 PM

Quote:

Is there a detailed finder chart for the Altair region that shows how close the object will pass to Altair and Beta Aquilae, and the times?





Parallax is a significant factor for such a close object. Therefore I will need to know your precise location: longitude, latitude, altitude and time zone. It you provide that, I will answer your question regarding Altair. For observers at Chicago’s Adler Planetarium, I calculate that the asteroid will appear to pass nearest Altair at an angular distance of 1.846°, position angle 161.595° and zenith angle 156.933° on November 8 at 16:44:22 CST. That will be only seven minutes after sunset for that location. Position angle is measured counterclockwise from celestial north. Zenith angle is measured counterclockwise from the zenith.




Edited by Centaur (11/06/11 09:24 PM)


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Tech Hiker
member


Reged: 07/29/09

Loc: Columbus Nebraska USA
Re: Detailed finder chart for YU55 near Altair? new [Re: bookworm14]
      #4901561 - 11/06/11 08:29 PM

Quote:

Thanks, but I have Windows XP.




In XP the path is:
C:\Documents and Settings\YourUsername\Application Data\Stellarium\data\ssystem.ini

Paste mrfritz44's data in at the end of this file.


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MessiToM
scholastic sledgehammer
*****

Reged: 12/21/09

Loc: Huntingdon PA
Re: Detailed finder chart for YU55 near Altair? new [Re: mrfritz44]
      #4901597 - 11/06/11 08:46 PM

Quote:

You can paste in this bit of text in the
C:\Users\YOUR USER NAME HERE\AppData\Roaming\Stellarium\data directory assuming you have Windows 7.

[2005 YU55 Asteroid]
name = 2005 YU55
minor_planet_number = 136200
parent = Sun
radius = 0.2
oblateness = 0.0
albedo = 0.007
lighting = true
halo = false
color = 1.0,1.0,1.0
tex_halo = NULL
tex_map = nomap.png
coord_func = comet_orbit
orbit_TimeAtPericenter = 2455814.833933352027
orbit_PericenterDistance = .6557046626343621
orbit_Eccentricity = .4325854390036394
orbit_ArgOfPericenter = 271.7036689643693
orbit_AscendingNode = 37.37226220529077
orbit_Inclination = .3954236980854217





THANK YOU KINDLY!!!
I plugged that info in and stellarium now brings up 2005 yu55 when i use the search box. COOL BEANS


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RickShelton
sage
*****

Reged: 08/20/09

Loc: Winston Salem, NC USA
Re: Detailed finder chart for YU55 near Altair? new [Re: mrfritz44]
      #4901736 - 11/06/11 10:20 PM

Filename to put the data in would help in Win7 as the only one I have is user_locations.txt and when I tried to add it to that it froze stellirium.
Thanks,
Rick





Quote:

You can paste in this bit of text in the
C:\Users\YOUR USER NAME HERE\AppData\Roaming\Stellarium\data directory assuming you have Windows 7.

[2005 YU55 Asteroid]
name = 2005 YU55
minor_planet_number = 136200
parent = Sun
radius = 0.2
oblateness = 0.0
albedo = 0.007
lighting = true
halo = false
color = 1.0,1.0,1.0
tex_halo = NULL
tex_map = nomap.png
coord_func = comet_orbit
orbit_TimeAtPericenter = 2455814.833933352027
orbit_PericenterDistance = .6557046626343621
orbit_Eccentricity = .4325854390036394
orbit_ArgOfPericenter = 271.7036689643693
orbit_AscendingNode = 37.37226220529077
orbit_Inclination = .3954236980854217




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RedLionNJ
scholastic sledgehammer


Reged: 12/29/09

Loc: Red Lion, NJ, USA
Re: Detailed finder chart for YU55 near Altair? new [Re: RickShelton]
      #4901769 - 11/06/11 10:49 PM

Not sure about a detailed finder chart, but for myself in NJ, it will be just over 1.6 degrees south of Altair at 5:40pm. I judge this to be about the time I should be able to pick up an eleventh magnitude object without too severe a difficulty.

Good hunting!


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bookworm14
sage


Reged: 03/22/08

Loc: Georgia
Re: Detailed finder chart for YU55 near Altair? new [Re: RickShelton]
      #4901774 - 11/06/11 10:53 PM

Curt,
Thanks for doing this. My coordinates are:
31d 28' 32.97" N
83d 29' 29.13" W
elevation 349 ft Eastern Time Zone

bookworm


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Centaur
Vendor
*****

Reged: 07/12/04

Loc: Chicago
Re: Detailed finder chart for YU55 near Altair? new [Re: bookworm14]
      #4901789 - 11/06/11 11:08 PM

Quote:

Curt,
Thanks for doing this. My coordinates are:
31d 28' 32.97" N
83d 29' 29.13" W
elevation 349 ft Eastern Time Zone

bookworm




Dick, for your location I calculate that the asteroid will appear to pass nearest Altair at an angular distance of 1.655°, position angle 161.574° and zenith angle 145.323° on November 8 at 17:44:29 EST. Position angle is measured counterclockwise from celestial north. Zenith angle is measured counterclockwise from the zenith.


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mrfritz44
sage


Reged: 11/11/09

Loc: Eastern Pennsylvania, USA
Re: Detailed finder chart for YU55 near Altair? new [Re: RickShelton]
      #4902052 - 11/07/11 05:59 AM

Woops!

ssystem.ini


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PhilCo126
Post Laureate


Reged: 01/14/05

Loc: coastline of Belgium
Re: Detailed finder chart for YU55 near Altair? [Re: mrfritz44]
      #4902094 - 11/07/11 06:58 AM

Also check: http://www.minorplanet.info/ObsGuides/YU55/

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RickShelton
sage
*****

Reged: 08/20/09

Loc: Winston Salem, NC USA
Re: Detailed finder chart for YU55 near Altair? new [Re: PhilCo126]
      #4902184 - 11/07/11 08:19 AM

What worked in my Win7 64 system was adding it to
C:\Program Files (x86)\Stellarium\data\ssystem.ini

Rick


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LakeHavasu
member
*****

Reged: 07/21/09

Loc: Lake Havasu City, Arizona, U....
Re: Detailed finder chart for YU55 near Altair? new [Re: RickShelton]
      #4903574 - 11/07/11 10:18 PM

MrFritz44 - Much appreciated for the Stellarium text. Works like a charm to bring up 2005YU55. Don't forget folks you may have to change the file view settings when looking for the "AppData" location to install the text.(Using Windows7)
Steve M.
Lake Havasu AZ


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Alan French
Night Owl
*****

Reged: 01/28/05

Loc: Upstate NY
Re: Detailed finder chart for YU55 near Altair? new [Re: mrfritz44]
      #4903672 - 11/07/11 11:34 PM

Quote:

You can paste in this bit of text in the
C:\Users\YOUR USER NAME HERE\AppData\Roaming\Stellarium\data directory assuming you have Windows 7.

[2005 YU55 Asteroid]
name = 2005 YU55
minor_planet_number = 136200
parent = Sun
radius = 0.2
oblateness = 0.0
albedo = 0.007
lighting = true
halo = false
color = 1.0,1.0,1.0
tex_halo = NULL
tex_map = nomap.png
coord_func = comet_orbit
orbit_TimeAtPericenter = 2455814.833933352027
orbit_PericenterDistance = .6557046626343621
orbit_Eccentricity = .4325854390036394
orbit_ArgOfPericenter = 271.7036689643693
orbit_AscendingNode = 37.37226220529077
orbit_Inclination = .3954236980854217




Where did you get your elements? They differ from those in the JPL Small-Body Database Browser and the IAU Minor Planet Center.

Clear skies, Alan


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mrfritz44
sage


Reged: 11/11/09

Loc: Eastern Pennsylvania, USA
Re: Detailed finder chart for YU55 near Altair? new [Re: Alan French]
      #4903932 - 11/08/11 06:27 AM

I Googled them and cannot tell you honestly where I pulled them from. I did a comparison to some charts and the track took it just east of Altair at 17:45 EST tonight which seemed right so I ran with the edit.

This seems to be recent however:

http://www.frequency.com/video/how-to-add-celestial-objects-on/21408685

Fred

Edited by mrfritz44 (11/08/11 06:31 AM)


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Alan French
Night Owl
*****

Reged: 01/28/05

Loc: Upstate NY
Re: Detailed finder chart for YU55 near Altair? new [Re: mrfritz44]
      #4904010 - 11/08/11 08:00 AM

Fred,

Thanks! I'm trying to untangle differences between a couple of charts I have.

Clear skies, Alan


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FrenchStar
sage
*****

Reged: 07/23/10

Loc: St-Hyacinthe, Quebec, Canada
Re: Detailed finder chart for YU55 near Altair? new [Re: Alan French]
      #4904133 - 11/08/11 09:37 AM

Is it me or is thing thing going REAL fast?!?!... wow... When I fired up Stellarium, I was sure I was in "accelerated" mode.... lol

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Alan French
Night Owl
*****

Reged: 01/28/05

Loc: Upstate NY
Re: Detailed finder chart for YU55 near Altair? new [Re: FrenchStar]
      #4904211 - 11/08/11 10:18 AM

Be careful. Some planetarium programs apparently don't handle such close asteroids well, and Steallarium is apparently one of them.

Clear skies, Alan


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