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(2020 DW1)
Classification: Apollo [NEO]          SPK-ID: 3991698
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 2458898.5 (2020-Feb-19.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .357714034686742 0.0012696  
a 1.513881263528434 0.0028964 au
q .9723446887150151 6.1763e-05 au
i 5.051691996582906 0.014224 deg
node 155.3860813648655 0.0026056 deg
peri 26.22874073250679 0.010946 deg
M 345.5502949029862 0.042446 deg
tp 2458925.808172075652
(2020-Mar-17.30817208)
0.0019867 TDB
period 680.3558883195759
1.86
1.9525
0.005346
d
yr
n .5291348339604599 0.0015185 deg/d
Q 2.055417838341854 0.0039325 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      7 days  
   first obs. used      2020-02-18  
   last obs. used      2020-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .41322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 11:53:09  

Additional Information
 Earth MOID = .00558267 au 
 Jupiter MOID = 2.90362 au 
 T_jup = 4.441 
[ 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 27.33   .309 2 autocmod 2.8

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