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(2020 OR4)
Classification: Apollo [NEO]          SPK-ID: 54049788
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459052.5 (2020-Jul-22.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7752305555730539 0.00091802  
a 2.524424121800486 0.0090295 au
q .5674134073550766 0.00028795 au
i 1.049591490778687 0.001319 deg
node 119.9846611516508 0.00052326 deg
peri 276.6818508809424 0.0018677 deg
M 347.0448626928367 0.07669 deg
tp 2459105.220731618626
(2020-Sep-12.72073162)
0.02923 TDB
period 1465.014452005149
4.01
7.8602
0.02152
d
yr
n .2457313642928724 0.0013184 deg/d
Q 4.481434836245895 0.016029 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      6 days  
   first obs. used      2020-07-20  
   last obs. used      2020-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .31298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-11 07:08:44  

Additional Information
 Earth MOID = .00163795 au 
 Jupiter MOID = .957591 au 
 T_jup = 2.941 
[ 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 25.637   .26017 4 autocmod 2.8

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