The Asteroid 2015 PU228 on 2015-08-24

 Background

(as of 2015-08-24)

•  Object:  2015 PU228
• Approximate Diameter: 0.330 km (656.168 feet to 1476.378 feet) ( Absolute Magnitude:  H= 20.0)
•  Orbit Type:  Apollo [ PHA] 
•  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 more infomation read  Understanding Risk Pages by Jon Giorgini
• JPL's Torino Scale:   1 -- with additional observations this asteroid  will likely  be re-assignment to Level 0.
•  JPL's Maximum Impact Probability: chance of Earth impact 1 in 59,000 or 99.99830000% chance the asteroid will MISS the Earth 
• On the NEODyS CLOMON2 risk page: Yes
• NEODyS'  Torino Scale:   1 
•  NEODyS' Maximum Impact Probability:  chance of Earth impact 1 in 54,000 or  99.99814000% chance the asteroid will MISS the Earth
• First Observed  on:  2015 08 13.34097
• First Observed  By: Space Surveillance Telescope, Atom Site (MPC Code
  G45) (The Discovery M.P.E.C.:  MPEC 2015-P73 : 2015 PU228 )
•  Last Observed: 2015 08 24.1170
•  Data-Arc Span: 10.776
•  Number Oppositions : 1
•  Number of Observations Made:  88
• Last Close-Approach:   Passed the Earth on 2015-Jul-29 at a Nominal Distance of  0.159680285899145 (AU), (62.143 Lunar Distance (LD)), or 14,843,209.88  miles (23,887,830.762 (KM))

Observing Run of 2015 PU228  on 2015-08-24 from Nerpio Spain

 On 2015-08-24 I was able to obtain 17 -- 60 Second Luminance BIN2 Images on itelescope.net's (TEL T7 0.43-m f/6.8 astrograph + CCD)  at AstroCamp Observatory. Nerpio, Spain  (MPC Code  I89)  and created 3 stacks of  5 images 

Astrometrica object verification window a stack (1of 3)  of  5- 60  Second Luminance BIN2 Images taken with itelescope.net's  (TEL T7 0.43-m f/6.8 astrograph + CCD)  at AstroCamp Observatory. Nerpio, Spain  (MPC Code  I89)

Astrometrica object verification window a stack (2 of 3)  of  5- 60  Second Luminance BIN2 Images taken with itelescope.net's  (TEL T7 0.43-m f/6.8 astrograph + CCD)  at AstroCamp Observatory. Nerpio, Spain  (MPC Code  I89)

Astrometrica object verification window a stack (3 of 3)  of  5- 60  Second Luminance BIN2 Images taken with itelescope.net's  (TEL T7 0.43-m f/6.8 astrograph + CCD) at AstroCamp Observatory. Nerpio, Spain  (MPC Code  I89)

The  Main-belt Asteroid  290465 (2005 TY169) 

While I was processing the FIts I spotted  the Main-belt Asteroid 290465 (2005 TY169)  in the  field of view.

Astrometrica object verification window a stack (1of 3)  of  5- 60  Second Luminance BIN2 Images taken with itelescope.net's  (TEL T7 0.43-m f/6.8 astrograph + CCD)  at AstroCamp Observatory. Nerpio, Spain  (MPC Code  I89)

Astrometrica object verification window a stack (2 of 3)  of  5- 60  Second Luminance BIN2 Images taken with itelescope.net's  (TEL T7 0.43-m f/6.8 astrograph + CCD)  at AstroCamp Observatory. Nerpio, Spain  (MPC Code  I89)

 

Astrometrica object verification window a stack (3 of 3)  of  5- 60  Second Luminance BIN2 Images taken with itelescope.net's  (TEL T7 0.43-m f/6.8 astrograph + CCD)  at AstroCamp Observatory. Nerpio, Spain  (MPC Code  I89)

Other links:

• Near Earth Objects Dynamic Site--2015 PU228
• (MPC) Observations 2015 PU228 
• (MPC) Observations 290465 (2005 TY169) 
• JPL Orbit Diagram 2015 PU228  
• JPL Orbit Diagram 290465 (2005 TY169)  
• NEO Earth Close Approaches (JPL)
• The Tracking News 
• NEO Coordination Centre
• JPL NEO Program Sentry
• NEODyS CLOMON2 risk pages 
• list of removed objects 
• Palermo Technical Impact Hazard Scale
• The Torino Impact Hazard Scale
• Impact Risk Assessment: An Introduction