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469636 (2004 SE54)
Classification: Main-belt Asteroid          SPK-ID: 2469636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2580356624321365 1.4811e-07  
a 2.616932450259291 5.473e-08 au
q 1.941670551916481 3.5243e-07 au
i 13.34503200389119 7.0965e-06 deg
node 176.4993298164885 6.8838e-05 deg
peri 190.5776892737115 0.00010132 deg
M 254.6623895133234 7.7504e-05 deg
tp 2459452.947463005552
(2021-Aug-26.44746301)
0.0003463 TDB
period 1546.276642591969
4.23
4.8508e-05
1.328e-07
d
yr
n .232817330407672 7.3037e-09 deg/d
Q 3.292194348602102 6.8853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5704 days (15.62 yr)  
   first obs. used      2004-09-09  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .76057  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:47:44  

Additional Information
 Earth MOID = .9413 au 
 Jupiter MOID = 2.16916 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457641.5 (2016-Sep-10.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2578484667885016 1.4957e-07  
q 1.942262223398286 3.5692e-07 au
tp 2457907.692902294943
(2017-Jun-03.19290229)
0.0003013 TDB
node 176.5124645135424 6.8837e-05 deg
peri 190.7672272894293 0.00010129 deg
i 13.34470384828603 7.0977e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5704 days (15.62 yr)  
   first obs. used      2004-09-09  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .76057  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:47:44  

Additional Information
 Jupiter MOID = 2.16916 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.237161543506843E-14 -5.330740497768245E-14 4.186648079587759E-11 1.860025027818278E-14 1.055365225026159E-11 -3.660763008600538E-14
q -5.330740497768245E-14 1.273890679195018E-13 -9.844829096729446E-11 -1.440846889988653E-14 -2.487558681962851E-11 8.86279040896916E-14
tp 4.186648079587759E-11 -9.844829096729446E-11 9.077877596960478E-8 8.604854190072439E-11 2.281265965644958E-8 -7.334726229597382E-11
node 1.860025027818278E-14 -1.440846889988653E-14 8.604854190072439E-11 4.738599192202291E-9 -4.589629456104712E-9 2.13980090857791E-10
peri 1.055365225026159E-11 -2.487558681962851E-11 2.281265965644958E-8 -4.589629456104712E-9 1.025880165083335E-8 -2.268695023934904E-10
i -3.660763008600538E-14 8.86279040896916E-14 -7.334726229597382E-11 2.13980090857791E-10 -2.268695023934904E-10 5.03777646576897E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO434689  

469636 (2004 SE54)          Discovered 2004-Sep-22 by Tucker, R. A. at Goodricke-Pigott
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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