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JPL Small-Body Database Browser
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(2019 SJ8)
Classification: Apollo [NEO]          SPK-ID: 3872635
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3703377314086331 0.00035818  
a 1.564115522485136 0.00089043 au
q .9848645282269616 4.7415e-07 au
i 8.276396578224007 0.0063644 deg
node 199.1986103634644 0.00026971 deg
peri 216.1326921119182 0.0017961 deg
M 258.6487303496665 0.089066 deg
tp 2458801.653854415540
(2019-Nov-14.15385442)
0.0049992 TDB
period 714.499066853636
1.96
0.61013
0.00167
d
yr
n .5038495033804508 0.00043025 deg/d
Q 2.143366516743309 0.0012202 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      31 days  
   first obs. used      2019-09-29  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:46:55  

Additional Information
 Earth MOID = .0295189 au 
 Jupiter MOID = 3.23876 au 
 T_jup = 4.335 
[ 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 24.512   .40855 12 autocmod 2.8

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