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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .055791599896826 5.8904e-08  
a 2.72097860562782 4.3867e-08 au
q 2.569170855934809 1.5324e-07 au
i 12.0152258180886 6.6759e-06 deg
node 223.5859021617092 2.6611e-05 deg
peri 340.0779480343634 6.1466e-05 deg
M 200.5641498034367 5.4245e-05 deg
tp 2459726.555130604427
(2022-May-27.05513060)
0.00024524 TDB
period 1639.404479578131
4.49
3.9645e-05
1.085e-07
d
yr
n .2195919338299228 5.3103e-09 deg/d
Q 2.872786355320831 4.6314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      4775 days (13.07 yr)  
   first obs. used      2006-09-30  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:22:54  

Additional Information
 Earth MOID = 1.56627 au 
 Jupiter MOID = 2.10991 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457678.5 (2016-Oct-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05559315743625631 5.9196e-08  
q 2.569432291052797 1.544e-07 au
tp 2458094.218820482575
(2017-Dec-06.71882048)
0.00024974 TDB
node 223.6004524649625 2.6612e-05 deg
peri 341.7094144915425 6.1278e-05 deg
i 12.01423331276706 6.6753e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      4775 days (13.07 yr)  
   first obs. used      2006-09-30  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:22:54  

Additional Information
 Jupiter MOID = 2.10991 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.50422202219706E-15 -8.829419507612602E-15 1.897822300005813E-12 2.119777648023213E-14 3.024118447298012E-13 -7.165145700341073E-16
q -8.829419507612602E-15 2.384084587991831E-14 -7.668239751439917E-12 -6.075209146126993E-14 -1.474172937177324E-12 6.261826000868601E-15
tp 1.897822300005813E-12 -7.668239751439917E-12 6.237021612989259E-8 9.287502460820973E-11 1.379973263351078E-8 1.987203610668774E-12
node 2.119777648023213E-14 -6.075209146126993E-14 9.287502460820973E-11 7.081744457044136E-10 -6.717283059552745E-10 2.569181744452177E-11
peri 3.024118447298012E-13 -1.474172937177324E-12 1.379973263351078E-8 -6.717283059552745E-10 3.755041245751338E-9 -2.496445976198301E-11
i -7.165145700341073E-16 6.261826000868601E-15 1.987203610668774E-12 2.569181744452177E-11 -2.496445976198301E-11 4.455932704939776E-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 16.4   n/a MPO450460  

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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