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(2018 AX18)
Classification: TransNeptunian Object          SPK-ID: 3838199
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458341.5 (2018-Aug-11.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2931886488036057 0.040123  
a 52.08491522301179 0.64806 au
q 36.81420930572661 1.6435 au
i 20.55866441295175 0.0069083 deg
node 204.0461511750861 0.028926 deg
peri 21.28897340782493 7.926 deg
M 239.9240136736814 15.832 deg
tp 2504136.707505680257
(2143-Dec-29.20750568)
5194.9 TDB
period 137298.682329719
375.90
2562.5
7.016
d
yr
n .002622020793582491 4.8937e-05 deg/d
Q 67.35562114029698 0.83807 au
  Orbit Determination Parameters
   # obs. used (total)      10  
   data-arc span      684 days (1.87 yr)  
   first obs. used      2018-01-15  
   last obs. used      2019-11-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .1685  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:18:37  

Additional Information
 Earth MOID = 35.8131 au 
 Jupiter MOID = 31.4234 au 
 T_jup = 5.764 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.6   .082266 MPO545072 autocmod 2.6q
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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