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187458 (2005 XT23)
Classification: Main-belt Asteroid          SPK-ID: 2187458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2288508119452669 5.0245e-08  
a 2.590645365005884 1.8097e-08 au
q 1.997774069762046 1.3588e-07 au
i 5.174895932084973 4.6154e-06 deg
node 41.58491553260419 4.809e-05 deg
peri 296.4654405444317 4.8716e-05 deg
M 288.2294984822382 9.5111e-06 deg
tp 2459504.136415924935
(2021-Oct-16.63641592)
4.1397e-05 TDB
period 1523.036727086612
4.17
1.5959e-05
4.369e-08
d
yr
n .2363698744735048 2.4767e-09 deg/d
Q 3.183516660249724 2.2238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      9164 days (25.09 yr)  
   first obs. used      1995-04-23  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:30  

Additional Information
 Earth MOID = .993691 au 
 Jupiter MOID = 2.23077 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457344.5 (2015-Nov-18.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227339954763912 5.0152e-08  
q 2.004055178279994 1.354e-07 au
tp 2457980.560043474429
(2017-Aug-15.06004347)
3.8286e-05 TDB
node 41.62076989534281 4.8118e-05 deg
peri 296.2731301390805 4.8752e-05 deg
i 5.171586107146163 4.6114e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      9164 days (25.09 yr)  
   first obs. used      1995-04-23  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:30  

Additional Information
 Jupiter MOID = 2.23077 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.515200074808449E-15 -6.758325613472329E-15 7.329486960258932E-13 -7.537686632874878E-15 1.777287550283757E-13 -1.121009535120708E-15
q -6.758325613472329E-15 1.83330771537064E-14 -1.890953207203306E-12 2.110305224922442E-14 -4.822592761413113E-13 3.073510110596439E-15
tp 7.329486960258932E-13 -1.890953207203306E-12 1.465823517514659E-9 3.023135790110134E-12 3.188253413235113E-10 -1.88321648603691E-12
node -7.537686632874878E-15 2.110305224922442E-14 3.023135790110134E-12 2.315296837352992E-9 -2.304930070395108E-9 -8.51297812272312E-11
peri 1.777287550283757E-13 -4.822592761413113E-13 3.188253413235113E-10 -2.304930070395108E-9 2.37671265501823E-9 8.439382061097445E-11
i -1.121009535120708E-15 3.073510110596439E-15 -1.88321648603691E-12 -8.51297812272312E-11 8.439382061097445E-11 2.126506059073319E-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 15.56   n/a E2021B55  

187458 (2005 XT23)          Discovered 2005-Dec-02 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 XT23 = 2001 YX128 = 2004 LG17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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