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(2018 VS4)
Classification: Amor [NEO]          SPK-ID: 3836106
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3557955986429026 2.6213e-07  
a 1.589168796756167 1.2482e-08 au
q 1.023749533369685 4.1234e-07 au
i 16.43682199359517 0.00011186 deg
node 45.47734688036726 1.187e-05 deg
peri 6.814305351530263 0.00038236 deg
M 15.6596789553771 0.00017042 deg
tp 2459168.670206288845
(2020-Nov-15.17020629)		 0.00034631 TDB
period 731.734396897142
2.00		 8.6211e-06
2.36e-08		 d
yr
n .4919817922002158 5.7964e-09 deg/d
Q 2.154588060142648 1.6923e-08 au
   Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      737 days (2.02 yr)  
   first obs. used      2018-11-06  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:12:31  

Additional Information
 Earth MOID = .0344415 au 
 Jupiter MOID = 3.24032 au 
 T_jup = 4.265 
[ 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 25.82   .44435 E2020V92 autocmod 2.6q

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