The Near-Earth Object (436724) 2011 UW158 on 2015-08-01

 Background

(as of 2015-08-01) 

• Object: (436724) 2011 UW158
• Approximate Diameter: 330 m - 750 m (1082.68 feet to 2460.63 feet)( Absolute Magnitude:  H= 19.5 )
• Orbit Type: Amor [PHA] (JPL listed it as an Apollo, MPC list as an Amor)
• On the Sentry Risk Table: NO ( Removed 2011-11-17 08:50 UTC )
• On the NEODyS CLOMON2 risk page: NO
• First Observed  on: 2011-10-25.41860
• First Observed  By: Pan-STARRS 1 (MPC Code F51)  (The Discovery M.P.E.C.:  MPEC 2011-U90 : 2011 UW158 )
• Last Observed: 2015 07 31.351484
• Data-Arc Span: 1375 days (3.70 yr)
• Number Oppositions : 5
• Number of Observations Made: 476
• Last Close-Approach:   Passed the Earth on 2015-Jul-19 at a Nominal Distance of 0.0164401018231079 (AU), (6.398 Lunar Distance (LD))  or 1,528,202.937 miles (2,459,404.227 KM)
• Next Close-Approach: Will safely pass Earth on 2017-Sep-09 at  Nominal Distance of 0.335683627661117 (AU) ( 130.638 (LD))  or 31,203,742.596 miles( 50,217,555.924 KM)
• Near-Earth Object Human Space Flight Accessible Targets Study (NHATS):  YES
• Was it on the Goldstone Asteroid Schedule: YES, Dates: 2015 July 13-26 ( Needs Astrometry: Yes Physical Observations: Yes)
• Was it on the Arecibo Asteroid Schedule:  YES,  Dates: 2015 July 12-17 (Request Optical Astrometry: No, Request Optical   Lightcurve:Yes, Request Optical Characterization Yes)  and 2015 August 29(Request Optical Astrometry: No, Request Optical   Lightcurve:No, Request Optical Characterization No)

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

On 2015-08-01 I was able to obtain 17-15 Second Luminance BIN2 Images on itelescope.net's (TEL T24 0.61-m f/6.5 astrograph + CCD) at Sierra Remote Observatory, Auberry California USA - MPC U69 and created 3 stacks of 5 images 

Astrometrica object verification window stack (1 of 3)  of 5 - 15 Second Luminance BIN2 Images
taken with itelescope.net's (TEL T24 0.61-m f/6.5 astrograph + CCD) at
Sierra Remote Observatory,  Auberry California USA(MPC U69).

Astrometrica object verification window stack (2 of 3)  of 5 - 15 Second Luminance BIN2 Images
taken with itelescope.net's (TEL T24 0.61-m f/6.5 astrograph + CCD) at
Sierra Remote Observatory,  Auberry California USA(MPC U69).

Astrometrica object verification window stack (3 of 3)  of 5 - 15 Second Luminance BIN2 Images

taken with itelescope.net's (TEL T24 0.61-m f/6.5 astrograph + CCD) at

Sierra Remote Observatory,  Auberry California USA(MPC U69). 

Other links: 

• Near Earth Objects Dynamic Site--(436724) 2011UW158 
• (436724) 2011 UW158 (German Aerospace Center)
• (MPC) Observations (436724) 2011 UW158 
• JPL Orbit Diagram (436724) 2011 UW158 
• NEO Earth Close Approaches (JPL)
• The Tracking News 
• NEO Coordination Centre
• Arecibo Observatory provides the first detailed images of a rare asteroid
• Near Earth Asteroid "(436724) 2011 UW158" Light Curve & Other Optical Observations B. L. Gary, Hereford Arizona Observatory (G95)
• (436724) 2011 UW158 (Wikipedia)