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(2019 SE9)
Classification: Apollo [NEO]          SPK-ID: 3873149
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1926516961687132 1.6093e-05  
a 1.258416982709315 2.5803e-05 au
q 1.015980816502851 5.812e-07 au
i 3.30828506276274 0.00022928 deg
node 203.1555536430217 6.1704e-05 deg
peri 143.7537439720228 0.00049297 deg
M 98.90437088725666 0.013881 deg
tp 2459254.839664243032
(2021-Feb-09.33966424)
0.015525 TDB
period 515.6265634674728
1.41
0.015859
4.342e-05
d
yr
n .6981797011757519 2.1474e-05 deg/d
Q 1.500853148915778 3.0774e-05 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      120 days  
   first obs. used      2019-06-29  
   last obs. used      2019-10-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .47288  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:45:14  

Additional Information
 Earth MOID = .0281249 au 
 Jupiter MOID = 3.85633 au 
 T_jup = 5.098 
[ 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 25.1   .43608 E2019W94 autocmod 2.8

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