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160883 (2001 QW2)
Classification: Main-belt Asteroid          SPK-ID: 2160883
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778409335248861 4.4231e-08  
a 3.184038155043369 2.4391e-08 au
q 2.617785837171601 1.5247e-07 au
i 17.07325425252748 4.1546e-06 deg
node 308.4110403640371 1.9049e-05 deg
peri 130.9542988395715 2.6461e-05 deg
M 291.3571082444904 1.6266e-05 deg
tp 2458996.193478013154
(2020-May-26.69347801)
9.409e-05 TDB
period 2075.22801621046
5.68
2.3846e-05
6.529e-08
d
yr
n .1734749132085206 1.9933e-09 deg/d
Q 3.750290472915138 2.8729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      6698 days (18.34 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43692  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:53:15  

Additional Information
 Earth MOID = 1.66733 au 
 Jupiter MOID = 1.55786 au 
 T_jup = 3.106 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457604.5 (2016-Aug-04.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769772297966595 4.4303e-08  
q 2.622090512890903 1.5316e-07 au
tp 2456922.245145177813
(2014-Sep-21.74514518)
9.598e-05 TDB
node 308.4537039841725 1.9045e-05 deg
peri 131.1746465796233 2.6522e-05 deg
i 17.06865710999928 4.156e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      6698 days (18.34 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43692  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:53:15  

Additional Information
 Jupiter MOID = 1.55786 au 
 T_jup = 3.106 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.962745166082451E-15 -6.742666061380968E-15 -3.176282882508024E-13 1.516255184384003E-15 -2.706004307213892E-14 -1.202175586733447E-14
q -6.742666061380968E-15 2.345904899667696E-14 6.164699146644841E-13 -6.598120587568005E-15 2.442089452115529E-14 4.176571252005406E-14
tp -3.176282882508024E-13 6.164699146644841E-13 9.212093894429407E-9 1.801155821398868E-11 1.81885795509849E-9 2.718953736812322E-11
node 1.516255184384003E-15 -6.598120587568005E-15 1.801155821398868E-11 3.627154251181541E-10 -3.430747450146768E-10 2.730000881123525E-11
peri -2.706004307213892E-14 2.442089452115529E-14 1.81885795509849E-9 -3.430747450146768E-10 7.034106564618333E-10 -2.059233473880317E-11
i -1.202175586733447E-14 4.176571252005406E-14 2.718953736812322E-11 2.730000881123525E-11 -2.059233473880317E-11 1.72724246472825E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO338317  
diameter diameter 9.142 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160883 (2001 QW2)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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