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(2020 DE)
Classification: Apollo [NEO]          SPK-ID: 3991609
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 2458896.5 (2020-Feb-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4550475766296446 0.00079247  
a 1.680078742584237 0.0022494 au
q .9155629822242991 0.0001056 au
i 3.124924548883862 0.0042044 deg
node 152.0709852386553 0.000854 deg
peri 40.68040915993704 0.0052087 deg
M 343.8780333898776 0.035761 deg
tp 2458932.121187942063
(2020-Mar-23.62118794)
0.0074783 TDB
period 795.413361735359
2.18
1.5974
0.004373
d
yr
n .4525948611355804 0.00090895 deg/d
Q 2.444594502944174 0.003273 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      4 days  
   first obs. used      2020-02-16  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .2158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-18 06:18:38  

Additional Information
 Earth MOID = .00035873 au 
 Jupiter MOID = 2.51067 au 
 T_jup = 4.108 
[ show covariance matrix ]

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 26.942   .22012 4 autocmod 2.8

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