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(2017 YJ7)
Classification: Aten [NEO]          SPK-ID: 3795129
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 2458121.5 (2018-Jan-03.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2945151961741435 0.00073871  
a .7832707607960344 0.00038529 au
q .5525856190227197 0.00085042 au
i 3.289713852850161 0.010394 deg
node 290.6608012138891 0.0034793 deg
peri 351.7032890477388 0.0037448 deg
M 180.9120263272775 0.0032998 deg
tp 2458247.459294901936
(2018-May-08.95929490)
0.095257 TDB
period 253.2015145113212
0.69
0.18682
0.0005115
d
yr
n 1.421792443440948 0.0010491 deg/d
Q 1.013955902569349 0.00049876 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      19 days  
   first obs. used      2017-12-28  
   last obs. used      2018-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .50451  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jan-16 06:55:44  

Additional Information
 Earth MOID = .0124258 au 
 Jupiter MOID = 4.09371 au 
 T_jup = 7.383 
[ 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   n/a MPO431434  

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