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447662 (2006 WL57)
Classification: Main-belt Asteroid          SPK-ID: 2447662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05559514240924771 5.4305e-08  
a 2.721595725782594 3.877e-08 au
q 2.570288223827311 1.4718e-07 au
i 12.01356879311582 6.5317e-06 deg
node 223.5834828401669 2.6125e-05 deg
peri 339.948323647638 6.0227e-05 deg
M 244.6039552205596 5.381e-05 deg
tp 2459726.180988672037
(2022-May-26.68098867)
0.0002447 TDB
period 1639.962238598755
4.49
3.5042e-05
9.594e-08
d
yr
n .2195172495603297 4.6906e-09 deg/d
Q 2.872903227737878 4.0925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      5220 days (14.29 yr)  
   first obs. used      2006-09-30  
   last obs. used      2021-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:02:29  

Additional Information
 Earth MOID = 1.56647 au 
 Jupiter MOID = 2.1087 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457765.5 (2017-Jan-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05563837892300359 5.4779e-08  
q 2.569420631686493 1.4879e-07 au
tp 2458094.053090829955
(2017-Dec-06.55309083)
0.00024455 TDB
node 223.5997401130025 2.6122e-05 deg
peri 341.6732129770318 5.9645e-05 deg
i 12.01417992462926 6.5316e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      5220 days (14.29 yr)  
   first obs. used      2006-09-30  
   last obs. used      2021-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:02:29  

Additional Information
 Jupiter MOID = 2.1087 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.000707549308556E-15 -7.902439782628096E-15 3.017508991751347E-12 1.700100309539577E-14 6.038977110210144E-13 -3.526727650806303E-17
q -7.902439782628096E-15 2.213871212575169E-14 -9.739466842074683E-12 -4.96519638489136E-14 -2.034690059210282E-12 3.976315221342428E-15
tp 3.017508991751347E-12 -9.739466842074683E-12 5.980579784445341E-8 7.66471957617458E-11 1.313682698376673E-8 8.003382596276822E-12
node 1.700100309539577E-14 -4.96519638489136E-14 7.66471957617458E-11 6.823563255702641E-10 -6.50005557957296E-10 3.249405640887159E-11
peri 6.038977110210144E-13 -2.034690059210282E-12 1.313682698376673E-8 -6.50005557957296E-10 3.557506049463942E-9 -3.025129085333338E-11
i -3.526727650806303E-17 3.976315221342428E-15 8.003382596276822E-12 3.249405640887159E-11 -3.025129085333338E-11 4.266195982843044E-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 16.66   n/a MPCxxxxx  

447662 (2006 WL57)          Discovered 2006-Sep-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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