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JPL Small-Body Database Browser
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(2019 SE8)
Classification: Apollo [NEO]          SPK-ID: 3872630
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7487641674712443 1.3183e-05  
a 2.037984823425055 0.00010084 au
q .5120148137941629 3.9413e-05 au
i 2.530731303389768 0.0016511 deg
node 193.7416459996166 0.0056897 deg
peri 272.3289199914105 0.00091443 deg
M 200.650782162985 0.014786 deg
tp 2459866.878302528884
(2022-Oct-14.37830253)
0.078559 TDB
period 1062.673486628584
2.91
0.078876
0.000216
d
yr
n .3387682148183904 2.5145e-05 deg/d
Q 3.563954833055948 0.00017635 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      1 day  
   first obs. used      2019-09-30  
   last obs. used      2019-10-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .42191  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:45:08  

Additional Information
 Earth MOID = .00447627 au 
 Jupiter MOID = 1.62568 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458756.5 (2019-Sep-30.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7496195213059622 1.3437e-05  
q .5084562215839126 3.9671e-05 au
tp 2458804.554318093332
(2019-Nov-17.05431809)
0.00034891 TDB
node 194.1482400335122 0.0060316 deg
peri 271.9897228334343 0.0012693 deg
i 2.490939279541077 0.0016419 deg
  Orbit Determination Parameters
   # obs. used (total)      31  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      1 day  
   first obs. used      2019-09-30  
   last obs. used      2019-10-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .42191  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:45:08  

Additional Information
 Jupiter MOID = 1.62568 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.80548757986294E-10 -4.179475143662849E-10 -2.606590917805462E-9 5.881430507919383E-8 -1.130688651525129E-8 -1.579105974815368E-8
q -4.179475143662849E-10 1.57380412613907E-9 -1.101648336654856E-9 -2.37338896086774E-7 4.485270596990623E-8 6.446218488714263E-8
tp -2.606590917805462E-9 -1.101648336654856E-9 1.21737215422108E-7 3.456157683561538E-7 -6.03122523084771E-8 -1.014214914148483E-7
node 5.881430507919383E-8 -2.37338896086774E-7 3.456157683561538E-7 3.638065079943724E-5 -7.130971055780735E-6 -9.901395269817086E-6
peri -1.130688651525129E-8 4.485270596990623E-8 -6.03122523084771E-8 -7.130971055780735E-6 1.61101392731284E-6 1.947604145877592E-6
i -1.579105974815368E-8 6.446218488714263E-8 -1.014214914148483E-7 -9.901395269817086E-6 1.947604145877592E-6 2.695954388653481E-6

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 26.9   .25059 MPO504270 autocmod 2.8

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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