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123444 (2000 WF131)
Classification: Main-belt Asteroid          SPK-ID: 2123444
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07307193669692909 6.5305e-08  
a 3.027369705874869 3.3059e-08 au
q 2.80615393836898 2.1548e-07 au
i 9.707528742602491 6.5952e-06 deg
node 229.0555324526478 3.0043e-05 deg
peri 107.6660560396919 6.1825e-05 deg
M 331.7164321155494 5.0358e-05 deg
tp 2459151.657016277537
(2020-Oct-29.15701628)
0.00026942 TDB
period 1923.962566612027
5.27
3.1514e-05
8.628e-08
d
yr
n .1871138276010934 3.0649e-09 deg/d
Q 3.248585473380758 3.5474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      7108 days (19.46 yr)  
   first obs. used      2000-11-03  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:00:25  

Additional Information
 Earth MOID = 1.8174 au 
 Jupiter MOID = 2.04177 au 
 T_jup = 3.218 
[ 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 15.1   n/a MPO436597  
diameter diameter 3.603 km 0.523 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.149   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123444 (2000 WF131)          Discovered 2000-Nov-20 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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