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JPL Small-Body Database Browser
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(2020 DD)
Classification: Apollo [NEO]          SPK-ID: 3991608
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9533862946169062 0.00046892  
a 2.482558632087395 0.017494 au
q .1157212566723783 0.00034869 au
i 2.337505988877023 0.005619 deg
node 153.207575586764 0.0052826 deg
peri 139.8554267054369 0.030878 deg
M 351.0294731820458 0.10333 deg
tp 2458932.101077820831
(2020-Mar-23.60107782)
0.033794 TDB
period 1428.721888423268
3.91
15.101
0.04134
d
yr
n .251973461677202 0.0026633 deg/d
Q 4.849396007502413 0.034172 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      2 days  
   first obs. used      2020-02-16  
   last obs. used      2020-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .32994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-07 06:03:49  

Additional Information
 Earth MOID = .00288831 au 
 Jupiter MOID = .421451 au 
 T_jup = 2.512 
[ 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 23.525   .50704 5 autocmod 2.8

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