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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3461949686961948 0.00024799  
a 1.215416332441239 0.00026689 au
q .7946453132789005 0.00012692 au
i .04310073373222618 1.9027e-05 deg
node 264.78732328 0.0081944 deg
peri 251.5571617493094 0.002509 deg
M 144.9028895269203 0.27932 deg
tp 2458403.502563875302
(2018-Oct-12.00256388)
0.31485 TDB
period 489.4248640343088
1.34
0.16121
0.0004414
d
yr
n .7355572355530428 0.00024228 deg/d
Q 1.636187351603578 0.00035929 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 = .000119139 au 
 Jupiter MOID = 3.35452 au 
 T_jup = 5.188 
[ 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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