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(2020 HJ6)
Classification: Apollo [NEO]          SPK-ID: 54016756
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6848147012577636 2.5566e-06  
a 2.526170151799233 1.8902e-05 au
q .796211693968562 7.1408e-07 au
i .951973941199435 2.1889e-05 deg
node 52.5550140719742 0.00040793 deg
peri 227.17637196769 0.00041191 deg
M 358.0511002894983 3.5072e-05 deg
tp 2459008.439247048846
(2020-Jun-07.93924705)
5.7795e-05 TDB
period 1466.53464115338
4.02
0.01646
4.507e-05
d
yr
n .2454766426225515 2.7552e-06 deg/d
Q 4.256128609629904 3.1847e-05 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      9 days  
   first obs. used      2020-04-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .35675  
   source      ORB  
   producer      Giorgini  
   solution date      2020-Apr-28 11:57:17  

Additional Information
 Earth MOID = .00396886 au 
 Jupiter MOID = .924085 au 
 T_jup = 3.075 
[ 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 26.663   .50813 3 autocmod 2.8

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