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(2020 EF)
Classification: Aten [NEO]          SPK-ID: 54013540
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147516374541316 0.00019511  
a .959498189080195 3.3907e-05 au
q .8493942007489687 0.00021722 au
i 6.855917806824915 0.012094 deg
node 352.5489204308502 0.00070729 deg
peri 319.3620462639832 0.0091175 deg
M 161.6388995429499 0.042476 deg
tp 2459046.362592456858
(2020-Jul-15.86259246)
0.032337 TDB
period 343.2927771250172
0.94
0.018197
4.982e-05
d
yr
n 1.048667563048956 5.5588e-05 deg/d
Q 1.069602177411421 3.7798e-05 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      18 days  
   first obs. used      2020-03-05  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .42893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:20:36  

Additional Information
 Earth MOID = .0316656 au 
 Jupiter MOID = 4.03814 au 
 T_jup = 6.270 
[ 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 26.2   .39007 E2020-FA7 autocmod 2.8

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