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173959 (2001 XE23)
Classification: Outer Main-belt Asteroid          SPK-ID: 2173959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393115782382012 4.8131e-08  
a 3.217302295732488 4.0191e-08 au
q 2.769094835244607 1.5875e-07 au
i 4.871347595703734 6.6888e-06 deg
node .40254834561297 6.3054e-05 deg
peri 105.2686541301785 6.8233e-05 deg
M 357.0669685317434 2.9139e-05 deg
tp 2458617.673169320418
(2019-May-14.17316932)
0.0001708 TDB
period 2107.833148829134
5.77
3.9497e-05
1.081e-07
d
yr
n .1707915070032815 3.2004e-09 deg/d
Q 3.66550975622037 4.5791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      6971 days (19.09 yr)  
   first obs. used      2000-10-01  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60108  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:34:45  

Additional Information
 Earth MOID = 1.79123 au 
 Jupiter MOID = 1.48606 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456979.5 (2014-Nov-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404529616731063 4.8149e-08  
q 2.762982444872623 1.5875e-07 au
tp 2456512.042680388444
(2013-Aug-07.54268039)
0.00014951 TDB
node .4217489270316378 6.3044e-05 deg
peri 105.3996363166605 6.8143e-05 deg
i 4.873508309737659 6.6909e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      6971 days (19.09 yr)  
   first obs. used      2000-10-01  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60108  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:34:45  

Additional Information
 Jupiter MOID = 1.48606 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.31830525678158E-15 -7.463926717008591E-15 1.611992593847186E-13 3.127953687252465E-15 7.683217178746666E-14 -5.888904789527756E-16
q -7.463926717008591E-15 2.52024413770791E-14 1.574624578071767E-12 -3.00504918451109E-15 1.395220518081841E-13 2.707491017877276E-15
tp 1.611992593847186E-13 1.574624578071767E-12 2.235298106560834E-8 7.304636803844758E-12 3.897751288691652E-9 2.051020950954666E-12
node 3.127953687252465E-15 -3.00504918451109E-15 7.304636803844758E-12 3.97459835023427E-9 -3.957852657755661E-9 2.094347928855133E-11
peri 7.683217178746666E-14 1.395220518081841E-13 3.897751288691652E-9 -3.957852657755661E-9 4.643453088841392E-9 -2.050474991833208E-11
i -5.888904789527756E-16 2.707491017877276E-15 2.051020950954666E-12 2.094347928855133E-11 -2.050474991833208E-11 4.476749070485569E-11

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 15.2   n/a MPO502965  

173959 (2001 XE23)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 XE23 = 2000 TT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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