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(2018 XA5)
Classification: Apollo [NEO]          SPK-ID: 3836911
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 .3061450869685908 1.475e-06  
a 1.091334182270553 6.1417e-07 au
q .7572275841275389 1.1843e-06 au
i 3.33190339754447 1.6463e-05 deg
node 4.441637901544542 0.00013983 deg
peri 195.7960449664174 0.00010346 deg
M 20.4457242104884 0.00028695 deg
tp 2458976.849786712128
(2020-May-07.34978671)
0.00031197 TDB
period 416.4233409382711
1.14
0.00035153
9.624e-07
d
yr
n .8645048550565396 7.2978e-07 deg/d
Q 1.425440780413568 8.0219e-07 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      286 days  
   first obs. used      2018-12-14  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .47028  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-16 08:12:03  

Additional Information
 Earth MOID = .0545564 au 
 Jupiter MOID = 3.53191 au 
 T_jup = 5.638 
[ 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 23.6   .77381 E2018Y96 autocmod 2.6q

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