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JPL Small-Body Database Browser
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(2019 JH8)
Classification: Amor [NEO]          SPK-ID: 3841973
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5116223423235561 0.00072336  
a 2.114519737779802 0.0031777 au
q 1.032684196647508 2.2376e-05 au
i .3710430985073858 0.00039921 deg
node 113.8877343016169 0.0062068 deg
peri 140.0862911419036 0.0036438 deg
M 347.9543687711255 0.026945 deg
tp 2458638.078817028357
(2019-Jun-03.57881703)
0.00065116 TDB
period 1123.093831544493
3.07
2.5317
0.006931
d
yr
n .3205431192734121 0.00072258 deg/d
Q 3.196355278912096 0.0048035 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      27 days  
   first obs. used      2019-05-08  
   last obs. used      2019-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .77785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-05 06:25:21  

Additional Information
 Earth MOID = .0182584 au 
 Jupiter MOID = 1.87142 au 
 T_jup = 3.556 
[ 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 26.413   .48051 3 autocmod 2.6q

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