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(2015 XA169)
Classification: Apollo [NEO]          SPK-ID: 3736393
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4135175540931306 0.00059541  
a 1.598287208390401 0.001553 au
q .9373673912384647 4.0815e-05 au
i 12.14639394454937 0.015704 deg
node 77.5997539230701 0.0035464 deg
peri 40.66586984649327 0.0024302 deg
M 61.29745044006653 1.1827 deg
tp 2458874.833195222674
(2020-Jan-26.33319522)
2.2415 TDB
period 738.0412952749299
2.02
1.0757
0.002945
d
yr
n .4877775841335482 0.00071096 deg/d
Q 2.259207025542338 0.0021953 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      6 days  
   first obs. used      2015-12-08  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .49541  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:02  

Additional Information
 Earth MOID = .0177837 au 
 Jupiter MOID = 2.89198 au 
 T_jup = 4.242 
[ 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 MPO358575  

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