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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5630054659639837 0.00060846  
a 1.810782252143204 0.0021964 au
q .7913019465160077 0.00014197 au
i 5.851316316637858 0.0061119 deg
node 32.23152134272812 5.1706e-05 deg
peri 79.1673954895253 0.00061044 deg
M 64.44330360026257 0.11172 deg
tp 2458841.178984539383
(2019-Dec-23.67898454)
0.013668 TDB
period 890.0159110649408
2.44
1.6193
0.004433
d
yr
n .4044871507625578 0.00073593 deg/d
Q 2.830262557770401 0.003433 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   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      .83317  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-22 04:56:17  

Additional Information
 Earth MOID = .0262549 au 
 Jupiter MOID = 2.34367 au 
 T_jup = 3.844 
[ 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 26.7   .40206 E2019X90 autocmod 2.8

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