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(2018 XB5)
Classification: Apollo [NEO]          SPK-ID: 3836914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3104401332397138 0.00036053  
a 1.41240135169078 0.00074759 au
q .9739352878839423 6.3263e-06 au
i 25.88129735937038 0.015297 deg
node 263.0853700056894 7.73e-06 deg
peri 151.3799159187717 0.0097277 deg
M 199.8147096734106 0.45173 deg
tp 2459669.307148132813
(2022-Mar-30.80714813)
0.98592 TDB
period 613.1060669027652
1.68
0.48678
0.001333
d
yr
n .5871740950446243 0.00046619 deg/d
Q 1.850867415497617 0.00097968 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      14 days  
   first obs. used      2018-12-14  
   last obs. used      2018-12-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .44849  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:56:08  

Additional Information
 Earth MOID = .0183103 au 
 Jupiter MOID = 3.51168 au 
 T_jup = 4.575 
[ 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 24.2   .51604 E2018Y90 autocmod 2.6q

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