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(2020 ND)
Classification: Apollo [NEO, PHA]          SPK-ID: 54017784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5886645236627304 1.2419e-05  
a 2.412151205429022 7.2215e-05 au
q .9922033650826659 2.8709e-07 au
i 17.43387710850333 0.00021028 deg
node 118.0256949281731 6.9506e-06 deg
peri 214.596723837676 3.4599e-05 deg
M 338.9989919001694 0.0009758 deg
tp 2459080.325722969663
(2020-Aug-18.82572297)
0.00012575 TDB
period 1368.375276675908
3.75
0.061449
0.0001682
d
yr
n .2630857237310813 1.1814e-05 deg/d
Q 3.832099045775378 0.00011472 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      185 days  
   first obs. used      2020-05-19  
   last obs. used      2020-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .45573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-20 05:22:24  

Additional Information
 Earth MOID = .0375797 au 
 Jupiter MOID = 1.67323 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459034.5 (2020-Jul-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5887031997470351 1.2419e-05  
q .9922039464866351 2.8665e-07 au
tp 2459080.323678690276
(2020-Aug-18.82367869)
0.00012572 TDB
node 118.0246273901774 6.9269e-06 deg
peri 214.5963305250305 3.4634e-05 deg
i 17.43449465772899 0.00021026 deg
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      185 days  
   first obs. used      2020-05-19  
   last obs. used      2020-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .45573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-20 05:22:24  

Additional Information
 Jupiter MOID = 1.67323 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.542256449916336E-10 -3.135874648847686E-12 -1.542270093153048E-9 -4.212512483882526E-11 -2.83374418098697E-10 2.605064537607324E-9
q -3.135874648847686E-12 8.21676489421596E-14 2.951016282941478E-11 7.668185916028931E-13 2.901883936645395E-12 -5.259701766795482E-11
tp -1.542270093153048E-9 2.951016282941478E-11 1.580452906402994E-8 4.331280061815313E-10 3.317637415831205E-9 -2.599806731510459E-8
node -4.212512483882526E-11 7.668185916028931E-13 4.331280061815313E-10 4.798144720003574E-11 5.873160433495016E-11 -7.432656700605373E-10
peri -2.83374418098697E-10 2.901883936645395E-12 3.317637415831205E-9 5.873160433495016E-11 1.19951727651467E-9 -4.723519257538933E-9
i 2.605064537607324E-9 -5.259701766795482E-11 -2.599806731510459E-8 -7.432656700605373E-10 -4.723519257538933E-9 4.421012505747428E-8

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 21.818   .64009 24 autocmod 2.8

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