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JPL Small-Body Database Browser
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(2016 JH18)
Classification: Aten [NEO]          SPK-ID: 3753079
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2594416006868755 0.00068692  
a .896969775201606 7.2618e-05 au
q .6642585009555545 0.0006699 au
i 4.339077734025923 0.013223 deg
node 224.823316132778 0.010576 deg
peri 147.794837555275 0.017215 deg
M 258.3412866538109 0.54387 deg
tp 2459484.120806924729
(2021-Sep-26.62080692)
0.4794 TDB
period 310.2881145611582
0.85
0.037681
0.0001032
d
yr
n 1.160212019429586 0.0001409 deg/d
Q 1.129681049447658 9.1458e-05 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      6 days  
   first obs. used      2016-05-08  
   last obs. used      2016-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .63083  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:06:16  

Additional Information
 Earth MOID = .0200788 au 
 Jupiter MOID = 4.28974 au 
 T_jup = 6.601 
[ 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 26.1   n/a MPO378539  

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