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413322 (2003 WD4)
Classification: Main-belt Asteroid          SPK-ID: 2413322
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2513030738009854 9.8187e-08  
a 2.384005233723297 1.4344e-08 au
q 1.784897390530996 2.3321e-07 au
i 6.354896616828018 8.053e-06 deg
node 64.22254967456597 4.2243e-05 deg
peri 311.9272291379967 4.4363e-05 deg
M 200.4153711280767 1.3809e-05 deg
tp 2459596.502101146893
(2022-Jan-17.00210115)
5.521e-05 TDB
period 1344.495130449437
3.68
1.2135e-05
3.322e-08
d
yr
n .2677585004563456 2.4166e-09 deg/d
Q 2.983113076915599 1.7949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6028 days (16.50 yr)  
   first obs. used      2003-10-24  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:07:35  

Additional Information
 Earth MOID = .794382 au 
 Jupiter MOID = 2.48962 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457365.5 (2015-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2496472130263055 9.7852e-08  
q 1.790890193662924 2.321e-07 au
tp 2456905.118534143108
(2014-Sep-04.61853414)
4.2433e-05 TDB
node 64.32038324521925 4.2299e-05 deg
peri 311.7255398788682 4.4477e-05 deg
i 6.347752178670877 8.0403e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6028 days (16.50 yr)  
   first obs. used      2003-10-24  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:07:35  

Additional Information
 Jupiter MOID = 2.48962 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.574983201501008E-15 -2.268657218129329E-14 1.514089039946921E-12 -1.072636103928378E-13 1.200007940203276E-14 -2.563504053760771E-14
q -2.268657218129329E-14 5.386886665172298E-14 -3.445228892310523E-12 2.584565719468469E-13 2.17169742102254E-14 5.949128017533006E-14
tp 1.514089039946921E-12 -3.445228892310523E-12 1.800598240498176E-9 -1.25819718305283E-11 5.581938244539731E-10 -1.065835225539558E-11
node -1.072636103928378E-13 2.584565719468469E-13 -1.25819718305283E-11 1.789245862853886E-9 -1.774888319949182E-9 -1.072326775552187E-10
peri 1.200007940203276E-14 2.17169742102254E-14 5.581938244539731E-10 -1.774888319949182E-9 1.978247314149039E-9 1.045740877832704E-10
i -2.563504053760771E-14 5.949128017533006E-14 -1.065835225539558E-11 -1.072326775552187E-10 1.045740877832704E-10 6.46462686844543E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO472162  

413322 (2003 WD4)          Discovered 2003-Oct-24 by LINEAR at Socorro
Reference: Last Updated: 2014-11-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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