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146710 (2001 WA13)
Classification: Main-belt Asteroid          SPK-ID: 2146710
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07907219205071309 5.3069e-08  
a 2.758029363252749 1.8018e-08 au
q 2.539945935760122 1.5258e-07 au
i 6.42080962279292 3.9597e-06 deg
node 107.4146807784029 5.6742e-05 deg
peri 300.7118397659451 6.608e-05 deg
M 31.48373745521216 3.2266e-05 deg
tp 2458854.187801340894
(2020-Jan-05.68780134)
0.00015004 TDB
period 1673.00313668949
4.58
1.6394e-05
4.488e-08
d
yr
n .2151819037903072 2.1086e-09 deg/d
Q 2.976112790745377 1.9443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      6911 days (18.92 yr)  
   first obs. used      2001-11-17  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:25:37  

Additional Information
 Earth MOID = 1.55771 au 
 Jupiter MOID = 2.30927 au 
 T_jup = 3.329 
[ 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 15.7   n/a MPO502888  

146710 (2001 WA13)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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