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(2020 VR4)
Classification: Apollo [NEO]          SPK-ID: 54087807
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459167.5 (2020-Nov-14.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4835147498657056 0.00075856  
a 1.427432490214141 0.0015477 au
q .7372478267580694 0.00028347 au
i 4.236515408244688 0.0064485 deg
node 231.0887932809035 0.001401 deg
peri 259.0450556093483 0.0033151 deg
M 329.7658153478704 0.063926 deg
tp 2459219.815159496326
(2021-Jan-05.31515950)		 0.025528 TDB
period 622.9193092313413
1.71		 1.0131
0.002774		 d
yr
n .5779239697100195 0.00093994 deg/d
Q 2.117617153670212 0.0022961 au
   Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      3 days  
   first obs. used      2020-11-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .36617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-16 05:23:07  

Additional Information
 Earth MOID = .00205766 au 
 Jupiter MOID = 2.96204 au 
 T_jup = 4.560 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 5.754202120482866E-7 -2.150037939739259E-7 -1.936346320630794E-5 -1.062673276010281E-6 2.440506117819429E-6 4.891190936783424E-6
q -2.150037939739259E-7 8.035476955994224E-8 7.233726698196013E-6 3.971038654354825E-7 -9.154025039409012E-7 -1.827849715470416E-6
tp -1.936346320630794E-5 7.233726698196013E-6 .0006516962193214018 3.575720190503603E-5 -8.187724230553405E-5 -.0001645741347469546
node -1.062673276010281E-6 3.971038654354825E-7 3.575720190503603E-5 1.962742259075809E-6 -4.514420933017159E-6 -9.033374008138343E-6
peri 2.440506117819429E-6 -9.154025039409012E-7 -8.187724230553405E-5 -4.514420933017159E-6 1.099017485141753E-5 2.079431630216824E-5
i 4.891190936783424E-6 -1.827849715470416E-6 -.0001645741347469546 -9.033374008138343E-6 2.079431630216824E-5 4.158313147045859E-5

[ 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 25.4   .49713 3 autocmod 2.8

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