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(2015 XR169)
Classification: Apollo [NEO]          SPK-ID: 3736409
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 .3462701413288261 0.00024208  
a 1.215796473519001 0.0002412 au
q .7948024568064881 0.00013664 au
i .04308862557183391 1.9126e-05 deg
node 264.75907041 0.008703 deg
peri 251.52493723841 0.0016085 deg
M 79.1291786690207 0.37484 deg
tp 2458892.872338769760
(2020-Feb-13.37233877)
0.47781 TDB
period 489.6544952772994
1.34
0.14571
0.0003989
d
yr
n .7352122843192241 0.00021879 deg/d
Q 1.636790490231514 0.00032472 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      7 days  
   first obs. used      2015-12-06  
   last obs. used      2015-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .72078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 05:56:32  

Additional Information
 Earth MOID = 9.20971E-5 au 
 Jupiter MOID = 3.3525 au 
 T_jup = 5.187 
[ 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 28.7   n/a MPO358577  

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