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117342 (2004 XJ38)
Classification: Main-belt Asteroid          SPK-ID: 2117342
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146681983305301 4.1798e-08  
a 2.731530039234465 1.8958e-08 au
q 2.418310410949727 1.1722e-07 au
i 13.08924564165143 5.2455e-06 deg
node 174.3012287431245 1.9297e-05 deg
peri 260.7205354316767 3.0318e-05 deg
M 150.6253820808581 2.5803e-05 deg
tp 2458310.573130551068
(2018-Jul-11.07313055)
0.0001151 TDB
period 1648.949662868137
4.51
1.7167e-05
4.7e-08
d
yr
n .2183207942041274 2.2729e-09 deg/d
Q 3.044749667519204 2.1132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:19:26  

Additional Information
 Earth MOID = 1.47351 au 
 Jupiter MOID = 2.2724 au 
 T_jup = 3.307 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457478.5 (2016-Mar-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153227226969422 4.1658e-08  
q 2.416337324020009 1.1684e-07 au
tp 2456663.357526041868
(2014-Jan-05.85752604)
0.00010906 TDB
node 174.314958414804 1.9298e-05 deg
peri 261.1182662586917 3.0267e-05 deg
i 13.08961408660041 5.2458e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:19:26  

Additional Information
 Jupiter MOID = 2.2724 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.73541457507121E-15 -4.817572149415035E-15 -1.949817818376802E-12 -4.156337858506743E-15 -4.266970105131136E-13 1.751083267201589E-15
q -4.817572149415035E-15 1.365248641362458E-14 5.80356092461162E-12 1.290538200799406E-14 1.292358856924411E-12 -4.018423365126748E-15
tp -1.949817818376802E-12 5.80356092461162E-12 1.189409639194504E-8 -2.553482213877875E-13 2.561183275836793E-9 -5.47772791574072E-12
node -4.156337858506743E-15 1.290538200799406E-14 -2.553482213877875E-13 3.724115420105144E-10 -3.622333158846686E-10 3.979523809975583E-11
peri -4.266970105131136E-13 1.292358856924411E-12 2.561183275836793E-9 -3.622333158846686E-10 9.16108410965972E-10 -3.983014982448844E-11
i 1.751083267201589E-15 -4.018423365126748E-15 -5.47772791574072E-12 3.979523809975583E-11 -3.983014982448844E-11 2.751802722724852E-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 15.7   n/a MPO385514  

117342 (2004 XJ38)          Discovered 2004-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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