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(2020 DM4)
Classification: Amor [NEO, PHA]          SPK-ID: 54006017
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 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4562379099986391 4.465e-06  
a 1.88790685855256 1.5807e-05 au
q 1.026572179134444 1.6808e-07 au
i 4.119758457057128 3.0551e-05 deg
node 6.927488085867911 3.4225e-05 deg
peri 222.4541467447214 5.0754e-05 deg
M 8.403464038710107 0.00010843 deg
tp 2458978.383055998509
(2020-May-08.88305600)
1.4296e-05 TDB
period 947.4783022643668
2.59
0.0119
3.258e-05
d
yr
n .3799559305364993 4.772e-06 deg/d
Q 2.749241537970676 2.3019e-05 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      179 days  
   first obs. used      2020-02-26  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .41957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:05:49  

Additional Information
 Earth MOID = .0458314 au 
 Jupiter MOID = 2.25841 au 
 T_jup = 3.825 
[ 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 21.745   .34865 48 autocmod 2.8

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