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Showing posts with label schedule for Goldstone Observations. Show all posts
Showing posts with label schedule for Goldstone Observations. Show all posts

Jan 17, 2017

The Asteroid 2012 TC4 is Making a Safe Close-Approach on October-12-2017 Please Stand By For a Media Storm

The First in a Series
This artist's concept shows a broken-up asteroid.
ImageCourtesy NASA/JPL-Caltech 
On October 12, 2017, the asteroid 2012 TC4 is projected to make an exceptionally close approach to Earth, and it is possible that the media (alternative, mainstream,  print, broadcast, and social) will go wild. Writeups will range from well written to poorly written, originally written to carbon copies, well research to poorly research, well intentioned to bad intentioned, and so forth. How is the consumer of media to make heads or tails of the hodgepodge of choices out there? The author plans a series of posts to give some background on 2012 TC4 in particular, some general knowledge about asteroids, their orbit, asteroid observing, asteroid risk list, and source information, to help the read navigate the mishmash of media out there.

What makes the Close-Approach on October 12, 2017, exceptional?

If we count 2008 TC3 and 2014 AA(both were small and impacted the Earth and would tie for first) 2012 TC4 could come in as the sixth closest known approach to date.  While there is some uncertainty about how close the close-approach will be, there is sufficient observational data to rule out an impact on October 12, 2017, When talking about astronomical distances it can be tough to wrap one's head around this can lead one to use of analogies such as close shave which is not aways helpful. If one uses a basketball to serve as a model for the Earth it may be easier to grasp.

Note some of this infomation is outdated See:The Asteroid 2012 TC4 Has Been Recovered

The Model  (the Basketball Size Earth) 

  • Earth (Equatorial) radius: 4.2634965e-5 AU 3963.17 miles (6378.1 KM) - for the model 4.69507082121091 inches (11.93 CM)
  • Earth (Equatorial) Circumference(assuming around Earth): 0.000267883358316 AU 24,901.32 miles (40,074.78 KM) -for the model 29.5 inches (74.93 CM)
  • ISS(Perigee): 2.67383e-6 AU 248.55 miles (400.00 KM) -for the model 0.29 inches ( 0.75CM)
  • ISS(apogee): 2.7407e-6 AU 254.76 miles (400.00 KM) -for the model 0.3 inches ( 0.77CM)
  • Geosynchronous orbit: 0.00023921463 AU (0.093 Lunar Distance (LD)) or 22236.39 miles (35786.00 KM)  -for the model (after subtracting the radius)- 2.2 feet ( 0.67 M)
  • Lunar Distance (LD): 0.003 AU or 238606.54  22236.39 miles (35786.00 KM)  -for the model (after subtracting the radius)-  23.16 feet (7.06 M)
  • Astronomical Unit: 389.171 Lunar Distance (LD) or 9.296e+7 miles (1.496e+8 KM)   -for the model   1.7 miles  (2.7 KM)

Background
(as of 2017-01-16 ) 


  • Object: 2012 TC4
  • Orbit Type: Apollo [NEO]
  • Approximate Diameter: 15 m - 33 m (  49.2126 feet to 108.268  feet)(Absolute Magnitude: H= 26.7)
  • On the Sentry Risk Table:  Yes 
    •  NOTE this is NOT a prediction of an impact but rather a statement there is insufficient observational data rule out an impact -- for information read  Understanding Risk Pages by Jon Giorgini
  • Torino Scale(NEODyS CLOMON2)0
    • "The likelihood of a collision is zero, or is so low as to be effectively zero. Also applies to small objects such as meteors and bodies that burn up in the atmosphere as well as infrequent meteorite falls that rarely cause damage.."
  • On the NEODyS CLOMON2 risk page: Yes
    • NEODyS Recovery Campaign: 2017-08-31t o 2017-10-24
  • Discovery observation was made: 2012 10 04.467661
  • Discovery observation was made by Pan-STARRS 1 (MPC Code F51) The Discovery M.P.E.C.: MPEC 2012-T18 : 2012 TC4
  • Last Observation (publish): 2012 10 11.74842   (by Volkssternwarte Drebach, Schoenbrunn(MPC code 113))
  • Data-Arc Span (publish): 7 days
  • Number of Optical Observations(published):301
  • Observatories Reporting (Published) Observations(MPC Code):
    • (089) Nikolaev,  Ukraine.
    • (104) San Marcello Pistoiese, Italy.
    • (113) Volkssternwarte Drebach, Schoenbrunn, Germany.
    • (204) Schiaparelli Observatory, Italy
    • (291) LPL/Spacewatch II, US/Arizona.
    • (300) Bisei Spaceguard Center-BATTeRS, Japan.
    • (461) University of Szeged, Piszkesteto Stn (Konkoly), Hungary.
    • (470) Ceccano, Italy.
    • (568) Mauna Kea, US/Hawaii.
    • (695) Kitt Peak, US/Arizona.
    • (703) Catalina Sky Survey, US/Arizona.
    • (716) Palmer Divide Observatory, Colorado Springs, US/Colorado.
    • (718) Tooele, US/Utah.  
    • (857) Iowa Robotic Observatory, Sonoita, US/Arizona.
    • (900) Moriyama, Japan.
    • (932) John J. McCarthy Obs., New Milford,  US/Connecticut.
    • (B04) OAVdA, Saint-Barthelemy, Italy. 
    • (B88) Bigmuskie Observatory, Mombercelli, Italy.
    • (C32) Ka-Dar Observatory, TAU Station, Nizhny Arkhyz, Russia.
    • (C77) Bernezzo Observatory, Italy.
    • (E10) Siding Spring-Faulkes Telescope South, Australia/NSW.
    • (F51) Pan-STARRS 1, Haleakala, US/Hawaii
    • (F65) Haleakala-Faulkes Telescope North, US/Hawaii.
    • (G40) Slooh.com Canary Islands Observatory, Canary Islands (Spain).
    • (G48) Doc Greiner Research Obs., Rancho Hildalgo,  US/New Mexico.
    • (H06) iTelescope Observatory, Mayhill, US/New Mexico.  
    • (H17) Angel Peaks Observatory, US/Colorado.
    • (H21) Astronomical Research Observatory, Westfield, US/Illinois.
    • (H36) Sandlot Observatory, Scranton, US/Kansas
    • (J16) An Carraig Observatory, Loughinisland, UK.
    • (J84) South Observatory, Clanfield, UK.
    • (J95) Great Shefford, UK.
  • Perihelion Distance: 0.9337184081730526(AU)
  • Aphelion Distance: 1.877515914032821
  • Goldstone Asteroid Schedule: Yes  2017 Oct ( Needs Astrometry: Yes Physical Ob
  • Near-Earth Object Human Space Flight Accessible Targets Study (NHATS): Yes
Useful Links:

Oct 27, 2015

The Asteroid 2015 TB145


 Background
(as of 2015-10-26) 
A 120 Second Luminance BIN2 image of the asteroid 2015 TB145 taken on 2015-10-22 from AstroCamp Observatory. Nerpio, Spain - (MPC Code - I89) itelescope.net's (TEL T7 0.43-m f/6.8 astrograph + CCD)
(C) Steven M. Tilley
.
The asteroid 2015 TB145 45 x 60 Sec Stacked @ 0.371 "/min P.A. 28.6 MPC Code Q62 using itelescope.net's
(TEL T27 0.70-m f/6.6 CDK astrograph + CCD) 2015-10-24 14:12:09 UTC
(c) Steven M. Tilley

The Asteroid 2015 TB145 on 2015-10-24

 Part 1:
40 Second(typo) 40-60 Second Luminance BIN2 Images taken with itelescope.net's (TEL T27 0.70-m f/6.6 CDK astrograph + CCD) at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 0n 2015-10-24 from 13:44 to 14:37 UTC
Part 2:
Astrometrica object verification window moving object detection 4-60 Second Luminance BIN2 Images Taken with iTelescope.net's (TEL T27 0.70-m f/6.6 CDK astrograph + CCD) at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 0n 2015-10-24 from 13:38 to 14:42 UTC
Part 3
A 45x60 Sec Stacked @ 0.371 "/min P.A. 28.6 MPC Code Q62 on (T27) 2015-10-24 (C) Steven M. Tilley

Other links:

Jul 10, 2015

The Near-Earth Object (436724) 2011 UW158 on 2015-07-09

 Background
(as of 2015-07-09) 
Observing Run of (436724) 2011 UW158  on  2015-07-01

On 2015-07-01 I  ran a series of 60 -- 15 Second Luminance BIN2 Images on itelescope.net's (TEL T31
0.50-m f/6.8 astrograph + CCD + f/4.5 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) and did data reduction on four images. 

Astrometrica object verification window ( for image 1 of 60)  15 Second Luminance BIN2 image taken with itelescope.net's  (TEL T31 0.50-m f/6.8 astrograph + CCD + f/4.5 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 

Astrometrica object verification window ( for image 18 of 60)  15 Second Luminance BIN2 image taken with itelescope.net's  (TEL T31 0.50-m f/6.8 astrograph + CCD + f/4.5 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 

Astrometrica object verification window ( for image 36 of 60)  15 Second Luminance BIN2 image taken with itelescope.net's  (TEL T31 0.50-m f/6.8 astrograph + CCD + f/4.5 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 

Astrometrica object verification window ( for image 56 of 60)  15 Second Luminance BIN2 image taken with itelescope.net's  (TEL T31 0.50-m f/6.8 astrograph + CCD + f/4.5 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) --after this image  clouds moved in.


Video Data: The Near-Earth Object (436724) 2011 UW158 on 2015-07-09 From from Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 56 -- 15 Second Luminance BIN2 Images using iTelescope.net's (Telescope T31) from 2015-07-09 10:26 UTC to 10:58 UTC
Other links: 

Jul 2, 2015

Near-Earth Object (436724) 2011 UW158 on 2015-07-01 --- and (32259) 2000 OT53 .... as a little lagniappe

 Background
(as of 2015-07-01) 
Observing Run of (436724) 2011 UW158  on  2015-07-01

On 2015-07-01 I  ran a series of 30 -- 60 Second Luminance BIN2 Images on itelescope.net's (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) and did data reduction on four images.

Astrometrica object verification window ( for image 1 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 


Astrometrica object verification window ( for image 7 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 

Astrometrica object verification window ( for image 14 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 
Astrometrica object verification window ( for image 20 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 

Astrometrica object verification window ( for image 20 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 
The main-belt asteroid (32259) 2000 OT53 was also in FOV ( 27.1 x 27.1 arc-mins) of  and within  limiting magnitude of the Fits.

 Background
(as of 2015-07-01)  
  • Object: (32259) 2000 OT53 
  • Alternate Designations : 2000 OT53 = 1988 NV = 1999 NH13 ( as more observations are made and the "known" orbit improves and the orbit maybe link to the orbit another provisional designation which turns out to be same object.)
  • Approximate Diameter: 11 km - 24 km  (6.83508 miles to14.9129  miles)( Absolute Magnitude:  H= 12.0 )
  • Orbit Type: Main-belt Asteroid
  • First Observed  on: 1988-07-12
  • Last Observed(publish): 2015-06-12
  • Data-Arc Span: 9812 days (26.864 yr)
  • Number Oppositions : 15
  • Number of Observations Made(publish)885
 
Astrometrica object verification window ( for image 1 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62)

Astrometrica object verification window ( for image 7 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 
Astrometrica object verification window ( for image 14 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62)

Astrometrica object verification window ( for image 20 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 


Astrometrica object verification window ( for image 20 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's  (TEL T27 0.70-m f/6.6 CDK astrograph + CCD)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 
 Other Links:


Jun 20, 2015

Near-Earth Object (436724) 2011 UW158 on 2015-06-20

 Background
(as of 2015-06-20) 

Observing Run of (436724) 2011 UW158  on  2015-06-20

On 2015-06-20 I  ran a series of 30 -- 60 Second Luminance BIN2 Images on itelescope.net's (TEL T9 0.32-m f/9.3 Ritchey-Chretien +  CCD + f/7.4 focal reducer) at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) and did data reduction on four images.

Astrometrica object verification window ( for image 1 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 
Astrometrica object verification window ( for image 10 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 
Astrometrica object verification window ( for image 20 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) 
Astrometrica object verification window ( for image 20 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62)
Other Links:

Jun 15, 2015

Near-Earth Object (436724) 2011 UW158 on 2015-06-14

Background 

The Near-Earth Object (436724) 2011 UW158 (Orbit type: Amor [PHA]) was first observed by  Pan-STARRS 1 (MPC Code F51)  on 2011-10-25. This asteroid has an absolute magnitude of 19.4 which would give it an approximate diameter of 350 m to 780 m (1148.29 feet to 2559.06 feet).


(436724) 2011 UW158 will safely make a close approach to earth on 2015-July-19

JPL Close-Approach Data (as of 2015-06-14)

  • Time: 2015-Jul-19 14:37 (TDB)
  • Time Uncertainty (minutes):  0.194594878659734
  • Minimum Distance (AU) : 0.0164395502542242 (6.398 LD) 1,528,151.665 Miles (2,459,321.713 KM)
  • Nominal Distance (AU):   0.0164399372059977 (6.398 LD) 1,528,187.634 Miles (2,459,379.600 KM)
  • Maximum Distance (AU): 0.0164403241618221 (6.398 LD) 1,528,223.604 Miles (2,459,437.488 KM)
  • Maximum-Minimum = 71.939 Miles (115.775 KM)



  • Date: 2015/07/19.60917
  • Min possible distance (au): 0.0164398 (6.398 LD) 1,528,174.88 Miles (2,459,359.075 KM)
  • Nominal distance (au): 0.0164399 (6.398 LD) 1,528,184.176 Miles (2,459,374.034 KM)
  • Nominal - Min =  9.296 Miles (14.95899 KM)
Asteroid radar observations have been schedule for (436724) 2011 UW158 2015 Jul 13-26 at Goldstone 2015 Jul 12-17 at Arecibo with the goal of high resolution imaging.

Observing Run on  2015-06-14

On 2015-06-14 I  ran a series of 30 -- 60 Second Luminance BIN2 Images on itelescope.net's (TEL T09 0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer) at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62) and did data reduction on six images.



Astrometrica object verification window( for 1 of 30)  60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62)  (see  NOTE below on digital artifact.)
NOTE: A digital artifact appeared in three images (1,2,and 3) "near" (436724) 2011 UW158 however it was within 0.3 a pixels of have the SAME Pixel Coordinate (x/y) in ALL three images -- I dither the images so this could ruled out-- it being anything in orbit.

Astrometrica object verification window ( for 6 of 30) 60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62)
Astrometrica object verification window  ( for 12 of 30) 60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW,
Australia. (MPC Q62)
Astrometrica object verification window  ( for 18 of 30) 60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62)
Astrometrica object verification window ( for 24 of 30) 60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62)
Astrometrica object verification window (for 30 of 30) 60 Second Luminance BIN2 image taken with itelescope.net's (TEL T09  0.32-m f/9.3 Ritchey-Chretien + CCD + f/7.4 focal reducer)  at Siding Spring Observatory, Coonabarabran, NSW, Australia. (MPC Q62)


Other links:

Feb 4, 2015

The Asteroid (357439) = 2004 BL86 On 2015-02-03

The NEO (357439) 2004 BL86 (Orbit type: Apollo ) (estimated to be 325  meters in diameter) made a Close-Approach of 3.1 Lunar Distance on 26 January 2015.and was map with Radar Observations.


(Orbit type: Apollo ) [NEO]

38 -- 15 Second Luminance BIN1 Images

from ITelescope.Net

(T11 0.50-m f/6.8 astrograph + CCD + f/4.5 focal reducer)

MPC Code H06 (Mayhill, New Mexico, USA)

2015-02-03 03:04 UTC to 03:29 UTC


(c) Steven M. Tilley
http://lagniappeobserving.blogspot.com/
Useful Links:

Jan 25, 2015

The Asteroid (357439) = 2004 BL86 On 2015-01-25

The NEO (357439) 2004 BL86 (Orbit type: Apollo ) (estimated to be 440–1000 meters in diameter) will safely make a Close-Approach of 3.1 Lunar Distance on 26 January 2015. This will be the closest known Approach by something this large (H = 19.0) until 2027, and will briefly peak at around apparent magnitude 9.0 It has been schedule for Goldstone Observations(2015 Jan 27-Feb 1).
The Asteroid (357439) = 2004 BL86 On 2015-01-25
from Siding Spring Observatory,Coonabarabran, NSW, Australia.(MPC Code Q62)
100 -- 5 Second Luminance BIN1
taken with iTelescope Net's
Telescope T31
2015-01-25 10:36 UTC to 11:20 UT


Object verification windows done with Astrometrica












"(c) Steven M. Tilley http://lagniappeobserving.blogspot.com/"

Useful Links:

Jan 23, 2015

Imaging Run on (357439) 2004 BL86 from MPC Q62 Plan for 2015-01-24

On the (2015-01-24) starting at 10:50 UTC, I plan to be imaging (357439) 2004 BL86 from Siding Spring, Australia (MPC Q62) [itelescope.net] on (TEL T30 0.50-m f/6.8 astrograph + CCD + f/4.5 focal reducer) I will be taking 5 Second Luminance BIN1 Images and hope to get up to 100 of (357439) 2004 BL86.

Background

The NEO (357439) 2004 BL86 (Orbit type: Apollo ) (estimated to be 440–1000 meters in diameter) will safely make a Close-Approach of 3.1 Lunar Distance on 26 January 2015. This will be the closest known Approach by something this large (H = 19.0) until 2027, and will briefly peak at around apparent magnitude 9.0 It has been schedule for Goldstone Observations(2015 Jan 27-Feb 1).

Videos from past runs on  (357439) 2004 BL86:




Useful Links: