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(2019 SR8)
Classification: Apollo [NEO]          SPK-ID: 3872645
[ 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.


Orbital Elements at Epoch 2458754.5 (2019-Sep-28.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5091952910211818 0.0025671  
a 1.782861948117985 0.0083294 au
q .8750370395954565 0.00048881 au
i 1.149661527485482 0.0045731 deg
node 74.54666218176406 0.095629 deg
peri 353.1408869854062 0.086506 deg
M 338.2740652549285 0.16632 deg
tp 2458806.974821588515
(2019-Nov-19.47482159)		 0.034055 TDB
period 869.5108400871359
2.38		 6.0935
0.01668		 d
yr
n .4140258906535582 0.0029015 deg/d
Q 2.690686856640514 0.012571 au
   Orbit Determination Parameters
   # obs. used (total)      12  
   data-arc span      5 days  
   first obs. used      2019-09-26  
   last obs. used      2019-10-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .72239  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:45:11  

Additional Information
 Earth MOID = .0130255 au 
 Jupiter MOID = 2.64138 au 
 T_jup = 3.926 
[ 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 25.5   .28557 MPO492730 autocmod 2.8

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