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JPL Small-Body Database Browser
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(2018 XD)
Classification: Apollo [NEO]          SPK-ID: 3836712
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5656753682443688 0.00034201  
a 1.834596796762019 0.0013008 au
q .7968105781737245 6.252e-05 au
i 8.691776463577893 0.0037123 deg
node 242.5364439572688 0.0016487 deg
peri 121.6491078977494 0.0022302 deg
M 74.6843312917612 0.082735 deg
tp 2458412.206048654268
(2018-Oct-20.70604865)
0.0083348 TDB
period 907.6311096587577
2.48
0.9653
0.002643
d
yr
n .3966369113717899 0.00042184 deg/d
Q 2.872383015350314 0.0020366 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      25 days  
   first obs. used      2018-12-03  
   last obs. used      2018-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .41548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-21 07:51:11  

Additional Information
 Earth MOID = .00902076 au 
 Jupiter MOID = 2.65266 au 
 T_jup = 3.804 
[ 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 23.1   .44674 E2018Y96 autocmod 2.6q

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