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226571 (2003 XX8)
Classification: Main-belt Asteroid          SPK-ID: 2226571
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2133336581092379 5.8986e-08  
a 3.111196227589973 3.7093e-08 au
q 2.447473355262543 2.0269e-07 au
i 15.65234853615852 8.2554e-06 deg
node 17.99873388547104 1.5141e-05 deg
peri 45.50784590528666 2.4455e-05 deg
M 3.60869536244527 1.7864e-05 deg
tp 2458980.407348440368
(2020-May-10.90734844)
9.9282e-05 TDB
period 2004.423714105424
5.49
3.5846e-05
9.814e-08
d
yr
n .1796027444031056 3.212e-09 deg/d
Q 3.774919099917403 4.5006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7923 days (21.69 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:31:55  

Additional Information
 Earth MOID = 1.48559 au 
 Jupiter MOID = 1.812 au 
 T_jup = 3.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457818.5 (2017-Mar-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2112503083977147 5.8547e-08  
q 2.456497894148838 2.0061e-07 au
tp 2456975.180629810011
(2014-Nov-13.68062981)
8.9672e-05 TDB
node 18.03186395314566 1.5119e-05 deg
peri 45.49990656460496 2.4663e-05 deg
i 15.65816622157377 8.2577e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7923 days (21.69 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:31:55  

Additional Information
 Jupiter MOID = 1.812 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.427729613635032E-15 -1.166487391897791E-14 -2.789325769878962E-12 3.455880770302823E-14 -6.911366793955104E-13 -2.222209173269281E-14
q -1.166487391897791E-14 4.02449753617047E-14 8.980174313683821E-12 -1.213966033411817E-13 2.308584474232696E-12 7.921080077602795E-14
tp -2.789325769878962E-12 8.980174313683821E-12 8.041032092741483E-9 -3.574823712370764E-11 1.733085273830362E-9 1.003293994709618E-11
node 3.455880770302823E-14 -1.213966033411817E-13 -3.574823712370764E-11 2.285771250661995E-10 -2.283077358525877E-10 -1.94919666057307E-11
peri -6.911366793955104E-13 2.308584474232696E-12 1.733085273830362E-9 -2.283077358525877E-10 6.082594162896761E-10 2.179631251728274E-11
i -2.222209173269281E-14 7.921080077602795E-14 1.003293994709618E-11 -1.94919666057307E-11 2.179631251728274E-11 6.818989347651225E-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 15.0   n/a MPO454627  

226571 (2003 XX8)          Discovered 2003-Dec-04 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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