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160820 (2000 WD125)
Classification: Main-belt Asteroid          SPK-ID: 2160820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058048508041071 4.629e-08  
a 2.352566469140344 1.1562e-08 au
q 1.86839687795217 1.0713e-07 au
i 6.550305464963114 4.7612e-06 deg
node 113.4686753457593 4.6413e-05 deg
peri 246.14446619282 4.8142e-05 deg
M 178.5952951569454 1.1569e-05 deg
tp 2458346.648997275730
(2018-Aug-16.14899728)
4.1858e-05 TDB
period 1317.987468672594
3.61
9.716e-06
2.66e-08
d
yr
n .2731437199191071 2.0136e-09 deg/d
Q 2.836736060328518 1.3941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      7068 days (19.35 yr)  
   first obs. used      2000-09-25  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:26:02  

Additional Information
 Earth MOID = .875936 au 
 Jupiter MOID = 2.62923 au 
 T_jup = 3.519 
[ 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 16.6   n/a MPO459736  

160820 (2000 WD125)          Discovered 2000-Nov-26 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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