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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 ]

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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 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 
[ show covariance matrix ]

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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