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(2020 VK4)
Classification: Apollo [NEO]          SPK-ID: 54087786
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139134468647611 5.3176e-05  
a 1.158564167531119 7.5498e-05 au
q .9973679576875147 3.3895e-06 au
i 5.032878639983728 0.0018291 deg
node 235.1770290262465 0.00028454 deg
peri 196.5043620220562 0.00067384 deg
M 212.813928235598 0.015274 deg
tp 2459186.727056662599
(2020-Dec-03.22705666)
0.0011341 TDB
period 455.4897049351792
1.25
0.044523
0.0001219
d
yr
n .7903581488218963 7.7256e-05 deg/d
Q 1.319760377374723 8.6003e-05 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      9 days  
   first obs. used      2020-11-13  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-24 05:23:40  

Additional Information
 Earth MOID = .0138785 au 
 Jupiter MOID = 3.84758 au 
 T_jup = 5.422 
[ 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 28.114   .46091 8 autocmod 2.8

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