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Nov 24, 2016

The NEO 2016 WJ1 on 2016-11-24

See The NEO 2016 WJ1 Has Been Removed from the Sentry Risk Table--Neodys Risk Table List 3 Possible Impacts 2106-2115.

Background
(as of 2016-11-23)
 
  • Object: 2016 WJ1 
  • Approximate Diameter: 150 m - 330 m (492.126 feet to 1082.68 feet)(Absolute Magnitude: H= 21.303)
  • Orbit Type: Apollo [NEO]- Potentially Hazardous Asteroid
  • On the Sentry Risk Table: yes NO  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
  • On the NEODyS CLOMON2 risk page: yes
  • First observation was made: 2016 11 19.46522
  • First observed by: Mt. Lemmon Survey (MPC Code G96) The Discovery M.P.E.C.: MPEC 2016-W38 : 2016 WJ1
  • Last Observation(publish): 2016 11 23.32687 (byTenagra II Observatory, Nogales (MPC Code 926)
  • Data-Arc Span(publish) : 4 days
  • Number of Optical Observations(published): 56
  • Perihelion Distance: 0.6659416098880451  (AU)
  • Aphelion Distance: 2.008089275410093 (AU)
  • Earth MOID: 0.000375787 AU (0.146 (LD)) or 34,931.584 miles (56,216.935 (KM))
  • Close-Approach to Earth: Will safely pass Earth on 2016-December-16 at a Nominal Distance of  0.053816832705857 (AU) ( 20.944 (LD)) or 5,002,587.129 miles (8,050,883.58 (KM))
The NEO 2016 WJ1 on 2016-11-24 from Mayhill, New Mexico (New Mexico Skies) (MPC Code H06)
a stack of 10- 60 Second Luminance BIN2 Images taken with iTelescope.net's
(T11 TEL 0.50-m f/6.8 reflector + CCD + f/4.5 focal reducer)
(c) Steven M.Tilley
The NEO 2016 WJ1 on 2016-11-24 from Mayhill, New Mexico (New Mexico Skies) (MPC Code H06)
a stack of 10- 60 Second Luminance BIN2 Images taken with iTelescope.net's
(T11 TEL 0.50-m f/6.8 reflector + CCD + f/4.5 focal reducer)
(c) Steven M.Tilley
The NEO 2016 WJ1 on 2016-11-24 from Mayhill, New Mexico (New Mexico Skies) (MPC Code H06)
a stack of 10- 60 Second Luminance BIN2 Images taken with iTelescope.net's
(T11 TEL 0.50-m f/6.8 reflector + CCD + f/4.5 focal reducer)
(c) Steven M.Tilley
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