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JPL Small-Body Database Browser
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(2019 SD8)
Classification: Apollo [NEO]          SPK-ID: 3872632
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .50225080932251 8.8878e-06  
a 1.760733996301084 2.8245e-05 au
q .8764039216572072 1.6091e-06 au
i 3.950794183903907 4.3326e-05 deg
node 5.468331795953778 9.5315e-06 deg
peri 54.19467005884663 4.9694e-05 deg
M 277.1723854125784 0.0020635 deg
tp 2458796.841319177965
(2019-Nov-09.34131918)
0.00016905 TDB
period 853.3733013578938
2.34
0.020534
5.622e-05
d
yr
n .4218552413429918 1.0151e-05 deg/d
Q 2.64506407094496 4.2431e-05 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      9 days  
   first obs. used      2019-09-22  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .34703  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 07:19:33  

Additional Information
 Earth MOID = .0035468 au 
 Jupiter MOID = 2.73089 au 
 T_jup = 3.959 
[ 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 27.297   .45346 7 autocmod 2.8

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