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181607 (2006 WG60)
Classification: Main-belt Asteroid          SPK-ID: 2181607
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09615741152466824 3.5652e-08  
a 2.831943857161791 2.1683e-08 au
q 2.559631466273928 1.0783e-07 au
i 6.245374852408008 3.5968e-06 deg
node 124.5515319335484 4.801e-05 deg
peri 21.41993492039066 5.6316e-05 deg
M 310.8114292643005 3.2158e-05 deg
tp 2459634.341200636550
(2022-Feb-23.84120064)
0.00015695 TDB
period 1740.705837728593
4.77
1.9992e-05
5.474e-08
d
yr
n .2068126573699298 2.3753e-09 deg/d
Q 3.104256248049653 2.3768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:18  

Additional Information
 Earth MOID = 1.57377 au 
 Jupiter MOID = 1.90273 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457883.5 (2017-May-10.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09380481149197774 3.5918e-08  
q 2.566599307346777 1.082e-07 au
tp 2457896.458870140934
(2017-May-22.95887014)
0.00015062 TDB
node 124.6574786380047 4.8084e-05 deg
peri 22.02118319928035 5.6735e-05 deg
i 6.239970412930632 3.5935e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:18  

Additional Information
 Jupiter MOID = 1.90273 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.290102230911335E-15 -3.826248780836111E-15 6.233208163821964E-13 -4.718767123202552E-15 1.574738877375546E-13 -1.073839258468043E-16
q -3.826248780836111E-15 1.170624742175125E-14 -5.127271230047262E-13 1.404137688015826E-14 -2.037426912479675E-13 1.22627130008836E-15
tp 6.233208163821964E-13 -5.127271230047262E-13 2.26878819357089E-8 2.681581545480107E-12 4.579788143435384E-9 5.195797651886654E-12
node -4.718767123202552E-15 1.404137688015826E-14 2.681581545480107E-12 2.312057163973046E-9 -2.29784090038967E-9 2.624366818394638E-12
peri 1.574738877375546E-13 -2.037426912479675E-13 4.579788143435384E-9 -2.29784090038967E-9 3.218913835912191E-9 -1.591685973513973E-12
i -1.073839258468043E-16 1.22627130008836E-15 5.195797651886654E-12 2.624366818394638E-12 -1.591685973513973E-12 1.291291853877666E-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 15.78   n/a MPCxxxxx  
diameter diameter 4.148 km 0.837 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181607 (2006 WG60)          Discovered 2006-Nov-17 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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Alternate Designations
 2006 WG60 = 1999 JW138 = 2003 EJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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