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(2019 SN)
Classification: Apollo [NEO]          SPK-ID: 3843884
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 2458745.5 (2019-Sep-19.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .370252739274912 0.0012585  
a 1.582895174525191 0.003206 au
q .9968239001721989 3.8165e-05 au
i 7.806199764811578 0.021724 deg
node 340.3963111717061 0.0058528 deg
peri 46.29724087337904 0.020609 deg
M 346.6696336885652 0.051564 deg
tp 2458772.434954272546
(2019-Oct-15.93495427)
0.023878 TDB
period 727.405632491797
1.99
2.2099
0.00605
d
yr
n .4949095579130806 0.0015036 deg/d
Q 2.168966448878182 0.0043931 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      2 days  
   first obs. used      2019-09-18  
   last obs. used      2019-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .71654  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-20 00:42:04  

Additional Information
 Earth MOID = .0485958 au 
 Jupiter MOID = 3.30891 au 
 T_jup = 4.302 
[ 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 25.4   .44813 MPO492703 autocmod 2.8

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