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(2020 DX2)
Classification: Apollo [NEO]          SPK-ID: 54000000
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 2458900.5 (2020-Feb-21.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6118683094607185 0.0041197  
a 2.24619851812945 0.023186 au
q .8718208281284123 0.00025579 au
i 9.858420927755869 0.046628 deg
node 327.3563962713653 0.026709 deg
peri 247.8972241534726 0.034924 deg
M 347.2934793153528 0.2203 deg
tp 2458943.900504556336
(2020-Apr-04.40050456)
0.080482 TDB
period 1229.619187505754
3.37
19.039
0.05213
d
yr
n .2927735705964781 0.0045332 deg/d
Q 3.620576208130487 0.037373 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      5 days  
   first obs. used      2020-02-20  
   last obs. used      2020-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .51607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 07:29:04  

Additional Information
 Earth MOID = .0548876 au 
 Jupiter MOID = 1.54727 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.697174375158974E-5 -1.047659397213827E-6 -.0003313537135248726 .0001100297488460721 -.0001421566655664571 .0001920914005587523
q -1.047659397213827E-6 6.542606974523663E-8 2.037636437348887E-5 -6.789680370630589E-6 8.627474818304787E-6 -1.185996244630467E-5
tp -.0003313537135248726 2.037636437348887E-5 .006477364558784946 -.002148450906014334 .002790728552899402 -.003750127216023423
node .0001100297488460721 -6.789680370630589E-6 -.002148450906014334 .0007133830424486629 -.000922126191503651 .00124538116233263
peri -.0001421566655664571 8.627474818304787E-6 .002790728552899402 -.000922126191503651 .00121971772831333 -.001608564763785439
i .0001920914005587523 -1.185996244630467E-5 -.003750127216023423 .00124538116233263 -.001608564763785439 .002174193726158185

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 23.497   .27916 2 autocmod 2.8

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