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JPL Small-Body Database Browser
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(2019 VK4)
Classification: Apollo [NEO]          SPK-ID: 3892744
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5628301099075839 0.00061671  
a 1.809981680609855 0.0022238 au
q .7912694923814971 0.00014404 au
i 5.873296327506107 0.006144 deg
node 32.29783246833556 0.00025668 deg
peri 79.11609630510334 0.00077635 deg
M 262.570992664601 0.18519 deg
tp 2458841.210742613639
(2019-Dec-23.71074261)
0.013917 TDB
period 889.4257440455871
2.44
1.6392
0.004488
d
yr
n .4047555430119734 0.00074595 deg/d
Q 2.828693868838214 0.0034755 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      11 days  
   first obs. used      2019-10-27  
   last obs. used      2019-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .83814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-12 04:56:32  

Additional Information
 Earth MOID = .0261438 au 
 Jupiter MOID = 2.34627 au 
 T_jup = 3.845 
[ 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 26.675   .29812 2 autocmod 2.8

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