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393829 (2005 SE84)
Classification: Main-belt Asteroid          SPK-ID: 2393829
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08443930097122862 7.892e-08  
a 3.054933421044746 4.8287e-08 au
q 2.796976978458084 2.4255e-07 au
i 2.750451332898271 1.0103e-05 deg
node 4.245299729573686 0.00015248 deg
peri 337.9338638289461 0.00016212 deg
M 296.8539438894478 5.7959e-05 deg
tp 2459342.593468056743
(2021-May-08.09346806)
0.00031854 TDB
period 1950.298341432721
5.34
4.624e-05
1.266e-07
d
yr
n .1845871435933941 4.3764e-09 deg/d
Q 3.312889863631408 5.2364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4942 days (13.53 yr)  
   first obs. used      2005-09-24  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68435  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:45:44  

Additional Information
 Earth MOID = 1.78904 au 
 Jupiter MOID = 2.03214 au 
 T_jup = 3.228 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457039.5 (2015-Jan-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08455026718518789 7.9399e-08  
q 2.793929194605888 2.426e-07 au
tp 2457404.141557125496
(2016-Jan-16.64155713)
0.00029227 TDB
node 4.328428684947593 0.00015237 deg
peri 339.590784293989 0.00016187 deg
i 2.752379691428732 1.0109e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4942 days (13.53 yr)  
   first obs. used      2005-09-24  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68435  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:45:44  

Additional Information
 Jupiter MOID = 2.03214 au 
 T_jup = 3.228 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.30416011537864E-15 -1.893458983161234E-14 6.662101002391731E-12 -2.785025738850609E-14 1.266380947108553E-12 -9.629357250290362E-16
q -1.893458983161234E-14 5.885468167626033E-14 -1.45757836048725E-11 8.423090695325798E-14 -2.863639982843765E-12 4.41801612574407E-15
tp 6.662101002391731E-12 -1.45757836048725E-11 8.542263209785987E-8 4.052741078482209E-13 1.600542641038589E-8 4.658054370586047E-12
node -2.785025738850609E-14 8.423090695325798E-14 4.052741078482209E-13 2.321641577436378E-8 -2.318960261324232E-8 2.171294981516019E-10
peri 1.266380947108553E-12 -2.863639982843765E-12 1.600542641038589E-8 -2.318960261324232E-8 2.620075775581159E-8 -2.160300222043981E-10
i -9.629357250290362E-16 4.41801612574407E-15 4.658054370586047E-12 2.171294981516019E-10 -2.160300222043981E-10 1.022003763225468E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO472042  

393829 (2005 SE84)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

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