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295885 (2008 WX65)
Classification: Main-belt Asteroid          SPK-ID: 2295885
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07728038094491889 4.6217e-08  
a 2.756219154177289 2.8817e-08 au
q 2.543217487974786 1.3953e-07 au
i 5.757459395822348 6.1556e-06 deg
node 139.0263003419659 5.0264e-05 deg
peri 291.0398491693543 7.0037e-05 deg
M 239.4995925515504 5.2063e-05 deg
tp 2459559.941991508177
(2021-Dec-11.44199151)
0.00024646 TDB
period 1671.356314949416
4.58
2.6211e-05
7.176e-08
d
yr
n .2153939269442348 3.378e-09 deg/d
Q 2.969220820379792 3.1044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      9425 days (25.80 yr)  
   first obs. used      1994-12-28  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:47:51  

Additional Information
 Earth MOID = 1.56475 au 
 Jupiter MOID = 2.23035 au 
 T_jup = 3.332 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457824.5 (2017-Mar-12.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07919688554828715 4.6857e-08  
q 2.535788699337849 1.4196e-07 au
tp 2457883.594286746665
(2017-May-10.09428675)
0.000225 TDB
node 139.1604327839648 5.0426e-05 deg
peri 289.7347939502783 6.9023e-05 deg
i 5.749789602005118 6.1484e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      9425 days (25.80 yr)  
   first obs. used      1994-12-28  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:47:51  

Additional Information
 Jupiter MOID = 2.23035 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.19556257657446E-15 -6.554076382223203E-15 -2.997027267349285E-12 2.890495799415144E-16 -6.00011945727378E-13 1.367838781866261E-15
q -6.554076382223203E-15 2.015222204132944E-14 1.118047371387174E-11 7.745624919500943E-16 2.252700220129312E-12 -3.506407292096667E-15
tp -2.997027267349285E-12 1.118047371387174E-11 5.062280484830909E-8 2.458328433992169E-11 1.063021762072689E-8 -1.803346388577163E-12
node 2.890495799415144E-16 7.745624919500943E-16 2.458328433992169E-11 2.542761618485615E-9 -2.524252206147472E-9 6.1934247174932E-11
peri -6.00011945727378E-13 2.252700220129312E-12 1.063021762072689E-8 -2.524252206147472E-9 4.764134996397736E-9 -6.198887274402957E-11
i 1.367838781866261E-15 -3.506407292096667E-15 -1.803346388577163E-12 6.1934247174932E-11 -6.198887274402957E-11 3.780333102752858E-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 16.4   n/a MPO440402  

295885 (2008 WX65)          Discovered 2008-Nov-17 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 WX65 = 2007 TD393 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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