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(2019 JH)
Classification: Apollo [NEO]          SPK-ID: 3841681
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 2458605.5 (2019-May-02.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8725558031253045 0.00081632  
a 2.468005195608955 0.013394 au
q .3145329400369592 0.00030768 au
i 21.88025835049574 0.035848 deg
node 40.29602025473967 7.0933e-05 deg
peri 61.31463882500839 0.0054298 deg
M 10.86252892005819 0.097471 deg
tp 2458562.768712707534
(2019-Mar-20.26871271)
0.03557 TDB
period 1416.17698222021
3.88
11.529
0.03156
d
yr
n .2542055156380316 0.0020694 deg/d
Q 4.621477451180952 0.025081 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      3 days  
   first obs. used      2019-05-01  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .40898  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-27 14:02:01  

Additional Information
 Earth MOID = .00160496 au 
 Jupiter MOID = 1.69762 au 
 T_jup = 2.733 
[ 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 26.3   .38845 MPO467586 autocmod 2.6q

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