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JPL Small-Body Database Browser
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(2018 JH2)
Classification: Amor [NEO]          SPK-ID: 3824086
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3311559938736802 0.00050152  
a 1.572103535940715 0.0013313 au
q 1.05149202702394 0.00010221 au
i 5.434808488474422 0.0060748 deg
node 205.2768444566685 0.016246 deg
peri 339.367041413873 0.038324 deg
M 34.56832088869446 0.4904 deg
tp 2458931.365324674118
(2020-Mar-22.86532467)
0.89296 TDB
period 719.9795210607735
1.97
0.91454
0.002504
d
yr
n .5000142218900868 0.00063513 deg/d
Q 2.092715044857488 0.0017721 au
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      23 days  
   first obs. used      2018-05-10  
   last obs. used      2018-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39981  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-03 06:23:50  

Additional Information
 Earth MOID = .0578731 au 
 Jupiter MOID = 2.86892 au 
 T_jup = 4.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458252.5 (2018-May-14.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3318941138376501 0.00048096  
q 1.051160242957109 8.5244e-05 au
tp 2458210.485830124209
(2018-Apr-01.98583012)
0.014127 TDB
node 205.3445277564926 0.0081118 deg
peri 339.2396412778947 0.015156 deg
i 5.429643855043667 0.0047707 deg
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      23 days  
   first obs. used      2018-05-10  
   last obs. used      2018-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39981  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-03 06:23:50  

Additional Information
 Jupiter MOID = 2.86892 au 
 T_jup = 4.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.313253313209404E-7 4.085851740923528E-8 6.719308144297648E-6 -3.890462184031786E-6 7.15613928103854E-6 2.292967494755108E-6
q 4.085851740923528E-8 7.266572216289937E-9 1.201500646249309E-6 -6.909395072650447E-7 1.284166388953847E-6 4.038999642797683E-7
tp 6.719308144297648E-6 1.201500646249309E-6 .0001995632619325999 -.0001141126803842672 .0002138736051020798 6.627058387288208E-5
node -3.890462184031786E-6 -6.909395072650447E-7 -.0001141126803842672 6.580180663713543E-5 -.0001219613344057101 -3.846014704585272E-5
peri 7.15613928103854E-6 1.284166388953847E-6 .0002138736051020798 -.0001219613344057101 .0002297020234050094 7.045841488851678E-5
i 2.292967494755108E-6 4.038999642797683E-7 6.627058387288208E-5 -3.846014704585272E-5 7.045841488851678E-5 2.275942365993205E-5

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 23.2   n/a E2018L03  

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