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(2019 XW)
Classification: Apollo [NEO]          SPK-ID: 3893947
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4803119871062232 3.1887e-06  
a 1.272689336855323 2.7926e-06 au
q .6614013925014415 3.404e-06 au
i 7.844337563017289 6.7187e-05 deg
node 255.7097988297232 1.3445e-05 deg
peri 274.1380560597147 0.0003552 deg
M 80.9699556737733 0.00020136 deg
tp 2458882.548508817285
(2020-Feb-03.04850882)
9.7647e-05 TDB
period 524.4233675618929
1.44
0.0017261
4.726e-06
d
yr
n .6864682664193306 2.2595e-06 deg/d
Q 1.883977281209205 4.134e-06 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      5 days  
   first obs. used      2019-12-03  
   last obs. used      2019-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .35828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-08 06:22:38  

Additional Information
 Earth MOID = .00786237 au 
 Jupiter MOID = 3.12326 au 
 T_jup = 4.948 
[ 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 23.9   .3793 E2020A92 autocmod 2.8

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