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(2020 HJ)
Classification: Amor [NEO]          SPK-ID: 54016548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458958.5 (2020-Apr-19.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204694472742894 0.00065633  
a 1.158833279093873 0.00097007 au
q 1.019229274478382 9.2673e-05 au
i 13.78772822746425 0.048185 deg
node 207.5782390289035 0.0034586 deg
peri 52.5579227082106 0.065808 deg
M 319.884048372278 0.10659 deg
tp 2459009.274360602806
(2020-Jun-08.77436060)
0.071163 TDB
period 455.6484160375409
1.25
0.57214
0.001566
d
yr
n .7900828518853878 0.00099208 deg/d
Q 1.298437283709365 0.0010869 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      11 days  
   first obs. used      2020-04-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .52217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:33:16  

Additional Information
 Earth MOID = .0550961 au 
 Jupiter MOID = 3.7197 au 
 T_jup = 5.400 
[ 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 25.314   .49943 7 autocmod 2.8

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