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308634 (2005 XU100)
Classification: TransNeptunian Object          SPK-ID: 2308634
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022447354981569 3.879e-05  
a 43.20259717205563 0.0037992 au
q 38.78535905136538 0.0028227 au
i 7.894215360125051 0.00015363 deg
node 318.4902387025892 0.00011458 deg
peri 99.21915397344617 0.034927 deg
M 83.63533731983262 0.037255 deg
tp 2434904.191069612094
(1954-Jun-10.69106961)
7.5584 TDB
period 103720.167729659
283.97
13.681
0.03746
d
yr
n .003470877534042565 4.5783e-07 deg/d
Q 47.61983529274587 0.0041876 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      3716 days (10.17 yr)  
   first obs. used      2005-02-10  
   last obs. used      2015-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .44507  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:03:32  

Additional Information
 Earth MOID = 37.8071 au 
 Jupiter MOID = 33.8188 au 
 T_jup = 5.799 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456181.5 (2012-Sep-11.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069006919452498 4.0755e-05  
q 38.87846343767821 0.0026965 au
tp 2435784.212923616047
(1956-Nov-06.71292362)
7.158 TDB
node 318.4256081564596 0.0001153 deg
peri 102.7190003875116 0.03295 deg
i 7.857549558579098 0.0001531 deg
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      3716 days (10.17 yr)  
   first obs. used      2005-02-10  
   last obs. used      2015-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .44507  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:03:32  

Additional Information
 Jupiter MOID = 33.8188 au 
 T_jup = 5.799 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.661002905441966E-9 1.747860324924633E-8 .00016549459285729 1.510586058098209E-11 6.575505241385838E-7 -8.139238337452212E-12
q 1.747860324924633E-8 7.271107040529003E-6 .01742510096029614 -2.215473652503822E-10 8.337816857610559E-5 -3.116029402805827E-9
tp .00016549459285729 .01742510096029614 51.23703489930895 6.613598748004535E-7 .2348618686424598 -7.504073424231675E-6
node 1.510586058098209E-11 -2.215473652503822E-10 6.613598748004535E-7 1.329410869013625E-8 -1.1300129049354E-8 1.395990659191407E-8
peri 6.575505241385838E-7 8.337816857610559E-5 .2348618686424598 -1.1300129049354E-8 .001085711283501664 -4.969694215383572E-8
i -8.139238337452212E-12 -3.116029402805827E-9 -7.504073424231675E-6 1.395990659191407E-8 -4.969694215383572E-8 2.343929183624125E-8

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.3   n/a MPO386277  

308634 (2005 XU100)          Discovered 2005-Dec-01 by Buie, M. W. at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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