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213431 (2001 XX224)
Classification: Main-belt Asteroid          SPK-ID: 2213431
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01618196462498882 5.1261e-08  
a 2.138254492305828 9.6878e-09 au
q 2.103653333752112 1.1131e-07 au
i 4.001139842911332 6.5244e-06 deg
node 295.8454191333088 5.3096e-05 deg
peri 64.73555256016076 0.00018713 deg
M 99.39253463126356 0.0001798 deg
tp 2458885.189247086308
(2020-Feb-05.68924709)
0.00057009 TDB
period 1142.056307046068
3.13
7.7615e-06
2.125e-08
d
yr
n .3152208851515746 2.1423e-09 deg/d
Q 2.172855650859545 9.8446e-09 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      22053 days (60.38 yr)  
   first obs. used      1960-09-25  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:40  

Additional Information
 Earth MOID = 1.09717 au 
 Jupiter MOID = 2.86422 au 
 T_jup = 3.712 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457589.5 (2016-Jul-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01673302104337824 5.1526e-08  
q 2.102297544795166 1.1197e-07 au
tp 2457741.765293455855
(2016-Dec-19.26529346)
0.00054574 TDB
node 295.8888612053802 5.3134e-05 deg
peri 64.24196599587154 0.00018016 deg
i 3.999397485642527 6.5224e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      22053 days (60.38 yr)  
   first obs. used      1960-09-25  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:40  

Additional Information
 Jupiter MOID = 2.86422 au 
 T_jup = 3.712 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.654972837379851E-15 -5.7489061075831E-15 -1.961028051469548E-11 -6.346459954638691E-16 -6.194053176491333E-12 3.411485316669587E-16
q -5.7489061075831E-15 1.253761189259203E-14 4.266149348063368E-11 6.878184896569757E-16 1.34718281959981E-11 -6.634668252890313E-16
tp -1.961028051469548E-11 4.266149348063368E-11 2.978311643544788E-7 -3.630119312854182E-11 9.395596710761868E-8 -7.389327246783396E-12
node -6.346459954638691E-16 6.878184896569757E-16 -3.630119312854182E-11 2.82326964543435E-9 -2.827370463708047E-9 1.549204585620556E-10
peri -6.194053176491333E-12 1.34718281959981E-11 9.395596710761868E-8 -2.827370463708047E-9 3.245758431132941E-8 -1.569077785268442E-10
i 3.411485316669587E-16 -6.634668252890313E-16 -7.389327246783396E-12 1.549204585620556E-10 -1.569077785268442E-10 4.254201981057533E-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 16.95   n/a MPCxxxxx  

213431 (2001 XX224)          Discovered 2001-Dec-15 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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