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(2020 WN)
Classification: Apollo [NEO]          SPK-ID: 54088812
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .42026770792526 0.00033952  
a 1.416017985946231 0.00067644 au
q .8209113526116655 8.8637e-05 au
i 6.278129717894304 0.0043341 deg
node 62.3771691052362 0.00053509 deg
peri 64.06126145723766 0.0013839 deg
M 346.5884699922181 0.015724 deg
tp 2459223.428593052437
(2021-Jan-08.92859305)		 0.010453 TDB
period 615.4624784858805
1.69		 0.44101
0.001207		 d
yr
n .5849259907535677 0.00041913 deg/d
Q 2.011124619280796 0.00096072 au
   Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      6 days  
   first obs. used      2020-11-16  
   last obs. used      2020-11-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .4451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:18:26  

Additional Information
 Earth MOID = .000779323 au 
 Jupiter MOID = 3.07695 au 
 T_jup = 4.616 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459171.5 (2020-Nov-18.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4219770654617029 0.00033734  
q .8220741714350326 9.0694e-05 au
tp 2459223.203171514047
(2021-Jan-08.70317151)		 0.0098696 TDB
node 62.38864248433445 0.00050977 deg
peri 63.70486210960317 0.00061469 deg
i 6.263360324876934 0.0043514 deg
   Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      6 days  
   first obs. used      2020-11-16  
   last obs. used      2020-11-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .4451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:18:26  

Additional Information
 Jupiter MOID = 3.07695 au 
 T_jup = 4.616 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.138010164446401E-7 -3.059049789445636E-8 -3.32900084780107E-6 1.714928937344266E-7 -1.72044285181051E-7 1.467871725468282E-6
q -3.059049789445636E-8 8.225357778845455E-9 8.946102895328325E-7 -4.605293010712097E-8 4.5713799303234E-8 -3.94619145035124E-7
tp -3.32900084780107E-6 8.946102895328325E-7 9.740816973519484E-5 -5.021222178852756E-6 5.087383792607976E-6 -4.293476149262112E-5
node 1.714928937344266E-7 -4.605293010712097E-8 -5.021222178852756E-6 2.598619968584058E-7 -2.697440051740771E-7 2.210633653027915E-6
peri -1.72044285181051E-7 4.5713799303234E-8 5.087383792607976E-6 -2.697440051740771E-7 3.778384178865075E-7 -2.208663844739501E-6
i 1.467871725468282E-6 -3.94619145035124E-7 -4.293476149262112E-5 2.210633653027915E-6 -2.208663844739501E-6 1.89350376741501E-5

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.4   .91282 E2021-CC3 autocmod 2.8

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