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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09610169919278419 3.5662e-08  
a 2.831325646802531 2.1683e-08 au
q 2.559230441176699 1.0781e-07 au
i 6.24538206365109 3.5968e-06 deg
node 124.5517305120675 4.8015e-05 deg
peri 21.54121426402241 5.6328e-05 deg
M 270.1473913958154 3.1934e-05 deg
tp 2459634.821521988096
(2022-Feb-24.32152199)
0.000157 TDB
period 1740.135877462243
4.76
1.999e-05
5.473e-08
d
yr
n .2068803963314705 2.3765e-09 deg/d
Q 3.103420852428362 2.3767e-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 = 1.57252 au 
 Jupiter MOID = 1.90388 au 
 T_jup = 3.298 
[ show covariance matrix ]

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

[ show close-approach data ]
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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