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(2015 XX169)
Classification: Apollo [NEO]          SPK-ID: 3736412
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848997932056027 1.5116e-06  
a 1.003682941349436 1.9268e-08 au
q .8181021730499345 1.5276e-06 au
i 7.598664271339807 4.261e-05 deg
node 256.4262779206098 7.9279e-06 deg
peri 282.688578562897 0.00010812 deg
M 85.2691349505763 7.7594e-05 deg
tp 2458913.507342603100
(2020-Mar-05.00734260)
7.7702e-05 TDB
period 367.2765846755232
1.01
1.0576e-05
2.896e-08
d
yr
n .980187725057529 2.8226e-08 deg/d
Q 1.189263709648938 2.2831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      730 days (2.00 yr)  
   first obs. used      2015-12-09  
   last obs. used      2017-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38385  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:07:19  

Additional Information
 Earth MOID = .0149727 au 
 Jupiter MOID = 3.78568 au 
 T_jup = 6.040 
[ 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 27.4   n/a MPO438022  

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