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JPL Small-Body Database Browser
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385607 (2005 EO297)
Classification: TransNeptunian Object          SPK-ID: 2385607
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3425903322817375 0.00039536  
a 62.67848311116878 0.04115 au
q 41.2054407551982 0.0039971 au
i 25.06586766689171 0.00088856 deg
node 144.0844673447584 0.00028 deg
peri 349.6313482761892 0.044214 deg
M 16.39479602426953 0.023008 deg
tp 2450346.211194368709
(1996-Sep-19.71119437)
9.9306 TDB
period 181249.2186928359
496.23
178.49
0.4887
d
yr
n .001986215458451681 1.956e-06 deg/d
Q 84.15152546713936 0.055248 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      2925 days (8.01 yr)  
   first obs. used      2005-03-11  
   last obs. used      2013-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .23513  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 22:42:15  

Additional Information
 Earth MOID = 40.2229 au 
 Jupiter MOID = 35.8877 au 
 T_jup = 5.990 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454326.5 (2007-Aug-14.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3434174508004948 0.00039569  
q 41.16929373470843 0.004003 au
tp 2450334.206076933126
(1996-Sep-07.70607693)
9.8762 TDB
node 144.057898616446 0.00027988 deg
peri 349.5576379144314 0.044059 deg
i 25.0535576369528 0.0008879 deg
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      2925 days (8.01 yr)  
   first obs. used      2005-03-11  
   last obs. used      2013-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .23513  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 22:42:15  

Additional Information
 Jupiter MOID = 35.8877 au 
 T_jup = 5.990 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.565733280785115E-7 8.113960301828298E-7 -.001210466821262759 -1.355873889756231E-8 -5.5451098988693E-6 1.394069875313388E-8
q 8.113960301828298E-7 1.602383804944134E-5 .02574452847919768 -1.832555373147826E-7 .0001137966834908661 -1.350622861941467E-7
tp -.001210466821262759 .02574452847919768 97.53959041918633 -.0001987485892073956 .4350987957807212 -.0006765166975820344
node -1.355873889756231E-8 -1.832555373147826E-7 -.0001987485892073956 7.833303953336816E-8 -9.407148895396383E-7 2.16309965259427E-7
peri -5.5451098988693E-6 .0001137966834908661 .4350987957807212 -9.407148895396383E-7 .001941151691830813 -3.219228935802929E-6
i 1.394069875313388E-8 -1.350622861941467E-7 -.0006765166975820344 2.16309965259427E-7 -3.219228935802929E-6 7.883624443610098E-7

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.2   n/a E2013S18  

385607 (2005 EO297)          Discovered 2005-Mar-11 by Buie, M. W. at Kitt Peak
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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