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(2019 SN4)
Classification: Apollo [NEO]          SPK-ID: 3856716
[ 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 2458752.5 (2019-Sep-26.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .676662174829277 0.0011819  
a 1.899083733172189 0.0057376 au
q .6140456041009931 0.00039013 au
i 2.215666881344699 0.0032288 deg
node 29.81154783324784 0.031408 deg
peri 64.32673173320707 0.034492 deg
M 340.5986170486364 0.10294 deg
tp 2458804.016314376056
(2019-Nov-16.51631438)		 0.03986 TDB
period 955.9047013231933
2.62		 4.3321
0.01186		 d
yr
n .3766065796116252 0.0017067 deg/d
Q 3.184121862243385 0.0096201 au
   Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      2 days  
   first obs. used      2019-09-25  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .35295  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-28 07:26:51  

Additional Information
 Earth MOID = .0152863 au 
 Jupiter MOID = 2.04742 au 
 T_jup = 3.629 
[ 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 24.4   .34162 MPO492717 autocmod 2.8

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