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(2018 VR8)
Classification: Apollo [NEO]          SPK-ID: 3836208
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 2458433.5 (2018-Nov-11.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3318057715076703 0.00092067  
a 1.434548625312722 0.0020027 au
q .958557111925566 1.7522e-05 au
i 20.29238538779043 0.038094 deg
node 227.5993980439446 0.0032247 deg
peri 224.6336395783393 0.028309 deg
M 337.227736924269 0.067847 deg
tp 2458473.198585152248
(2018-Dec-20.69858515)
0.035146 TDB
period 627.5832405098155
1.72
1.3142
0.003598
d
yr
n .57362908497613 0.0012012 deg/d
Q 1.910540138699877 0.0026672 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      5 days  
   first obs. used      2018-11-09  
   last obs. used      2018-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .62947  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Nov-13 21:12:24  

Additional Information
 Earth MOID = .0378701 au 
 Jupiter MOID = 3.41658 au 
 T_jup = 4.556 
[ 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 25.6   .40621 E2018-VJ1 autocmod 2.6q

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