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(2018 VG18)
Classification: TransNeptunian Object          SPK-ID: 3836918
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5353118237273002 0.0031016  
a 81.33638409941111 0.34152 au
q 37.79605599177116 0.10122 au
i 24.40348142172576 0.012345 deg
node 245.3632098590931 0.0045227 deg
peri 16.75335264462492 2.1286 deg
M 158.008824726026 5.9531 deg
tp 2341401.247543383914
(1698-Jun-08.74754338)
3693.4 TDB
period 267932.6990615137
733.56
1687.5
4.62
d
yr
n .001343620996097042 8.4626e-06 deg/d
Q 124.8767122070511 0.52434 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      1095 days (3.00 yr)  
   first obs. used      2017-01-16  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .25956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 09:47:19  

Additional Information
 Earth MOID = 36.788 au 
 Jupiter MOID = 32.5264 au 
 T_jup = 6.146 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 3.7192   .52371 6 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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