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(2020 DA1)
Classification: Apollo [NEO]          SPK-ID: 3991654
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5688892444947643 0.00038651  
a 1.157500323723663 0.00058378 au
q .4990108390580633 0.00019631 au
i 7.885940084733779 0.0071187 deg
node 148.7295058537751 0.00010975 deg
peri 111.7024173748695 0.0033837 deg
M 37.57572701409142 0.01058 deg
tp 2458953.022810750547
(2020-Apr-13.52281075)
0.022585 TDB
period 454.8624734098568
1.25
0.34411
0.0009421
d
yr
n .791448011310486 0.00059874 deg/d
Q 1.815989808389263 0.00091588 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      1 day  
   first obs. used      2020-02-17  
   last obs. used      2020-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 12:38:03  

Additional Information
 Earth MOID = .000635229 au 
 Jupiter MOID = 3.28842 au 
 T_jup = 5.264 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458897.5 (2020-Feb-18.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5694887872971224 0.00038872  
q .5058814759583603 0.00020915 au
tp 2458952.801173641816
(2020-Apr-13.30117364)
0.021883 TDB
node 148.7415690055573 7.9929e-05 deg
peri 110.4642807025068 0.001745 deg
i 8.090596384141094 0.0067751 deg
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      1 day  
   first obs. used      2020-02-17  
   last obs. used      2020-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 12:38:03  

Additional Information
 Jupiter MOID = 3.28842 au 
 T_jup = 5.264 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.511033969427427E-7 -8.120079457556281E-8 -8.506075624015555E-6 3.009722370920636E-8 -6.912148487420301E-8 2.631847762666368E-6
q -8.120079457556281E-8 4.374490970808626E-8 4.568631139290231E-6 -1.597614592972664E-8 1.904040411096217E-8 -1.41191109684028E-6
tp -8.506075624015555E-6 4.568631139290231E-6 .0004788867459859691 -1.698606648889485E-6 4.292528237435536E-6 -.0001482079351776196
node 3.009722370920636E-8 -1.597614592972664E-8 -1.698606648889485E-6 6.388582469630629E-9 -4.665783407881242E-8 5.28541283761259E-7
peri -6.912148487420301E-8 1.904040411096217E-8 4.292528237435536E-6 -4.665783407881242E-8 3.04512290550698E-6 -1.604095144783751E-6
i 2.631847762666368E-6 -1.41191109684028E-6 -.0001482079351776196 5.28541283761259E-7 -1.604095144783751E-6 4.590190791233837E-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 29.747   .24304 2 autocmod 2.8

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